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   Summary of Contents for Cisco ASR 5000 series

  • Page 2

    ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Cisco and the Cisco Logo are trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and other countries. A listing of Cisco's trademarks can be found at www.cisco.com/go/trademarks.

  • Page 3

    Product, Service and Feature Licenses ............59 Supported Product/License Quick Reference ......................60 Session Use and Feature Use Licenses ........................63 Session Use Licenses ............................63 Feature Use Licenses ............................64 Default Licenses ..............................66 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 4: Table Of Contents

    Channelized Line Card 2 (CLC2) ....................... 114 Standards Compliance ..........................118 General Application and Line Card Information....................120 Card Interlock Switch ............................120 Software Architecture ..................121 Understanding the Distributed Software Architecture ..................123 Software Tasks ..............................123 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 5: Table Of Contents

    Enhanced Charging Service ........................160 Multi-host Support ............................160 How it Works .............................. 161 ASN Gateway in a WiMAX Network ........................163 Access Service Network (ASN) ........................164 Connectivity Service Network (CSN) ......................165 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 6: Table Of Contents

    Object Management Group (OMG) Standards ....................217 ASN Paging Controller and Location Registry Overview ......219 Introduction ................................220 Description of PC/LR Support ........................222 Licenses ................................222 Paging and Location Update Procedures ......................222 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 7: Table Of Contents

    Description ..............................255 IP Security (IPSec) ............................255 Description ..............................256 Traffic Policing and Rate Limiting ........................256 Description ..............................256 Intelligent Traffic Control ........................... 257 Dynamic RADIUS Extensions (Change of Authorization) ................258 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 8: Table Of Contents

    Per APN Configuration to Swap out Gn to Gi APN in CDRs ................. 304 Port Insensitive Rule for Enhanced Charging Service..................304 Quality of Service Support ..........................305 RADIUS Support ............................305 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 9: Table Of Contents

    Operating System Requirements ........................359 Supported Standards ............................. 360 Requests for Comments (RFCs) ........................360 Network Deployment Configurations ........................364 Standalone PDSN/FA and HA Deployments ....................364 Interface Descriptions ..........................364 Co-Located Deployments ..........................365 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 10: Table Of Contents

    P-GW Selection (Discovery) ........................399 PPP VSNCP ..............................400 Congestion Control ............................. 400 IP Access Control Lists ..........................401 System Management Features ......................... 401 Management System ........................... 401 Bulk Statistics Support ..........................403 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 11: Table Of Contents

    Simple IP and Simple IP Fallback ........................441 Simple IP Fallback Minimum Requirements ....................444 Features and Functionality - Base Software ......................445 PSC2 Support ..............................445 Duplicate Session Detection ..........................446 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 12: Table Of Contents

    PDG/TTG Overview ..................473 Product Description .............................. 474 Summary of PDG/TTG Features and Functions ..................... 474 Product Specifications ............................475 Licenses ................................475 Hardware Requirements ..........................475 Platforms..............................475 Components ..............................475 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 13: Table Of Contents

    PDN Gateway in the E-UTRAN/EPC Network ....................517 Supported Logical Network Interfaces (Reference Points) ................. 518 Features and Functionality - Base Software ......................523 Subscriber Session Management Features ....................... 523 IPv6 Capabilities ............................523 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 14: Table Of Contents

    GTP PDN Gateway Call/Session Procedures in an LTE-SAE Network ............564 Subscriber-initiated Attach (initial) ......................564 Subscriber-initiated Detach ........................567 Supported Standards............................. 569 3GPP References ............................. 569 3GPP2 References ............................570 IETF References .............................. 570 Object Management Group (OMG) Standards ....................571 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 15: Table Of Contents

    IPv4-IPv6 Interworking ........................... 597 IPv6 Support ..............................599 Session Recovery Support ..........................601 How the SCM Works ............................603 Admission and Routing ........................... 603 CSCF Access Control Lists ........................603 Translation Lists ............................603 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 16: Table Of Contents

    Features and Functionality - External Application Support ................. 642 Web Element Management System ......................... 642 Features and Functionality - Optional Enhanced Feature Software ..............644 IP Security (IPSec) Encryption ........................644 Traffic Policing and Shaping ........................... 644 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 17: Table Of Contents

    PDP Context Preservation ........................... 675 Charging ................................675 SGSN Call Detail Records (S-CDRs) ......................675 Mobility Call Detail Records (M-CDRs) ....................675 Short Message Service CDRs ........................676 Overcharging Protection ..........................676 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 18: Table Of Contents

    Rater Package Model Files ......................... 713 Content Rating Rules Update Server ....................... 713 Master Content Rating Database Server (MCRDBS)..................714 ECS Storage System ............................714 RADIUS Server and Policy Manager ......................714 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 19: Table Of Contents

    Diameter Accounting and Credit Control ......................753 Gx Interface Support ........................... 753 Gy Interface Support ........................... 754 Standard GGSN Call Detail Records (G-CDRs) ..................755 Enhanced GGSN Call Detail Records (eG-CDRs) ..................755 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 20: Table Of Contents

    File Format Encoding for CDRs ......................... 791 Redundant Data File Support........................794 PSMON ................................794 Cluster Support in GSS ........................... 795 Cluster Components ............................795 Multiple Instance GSS ............................. 796 Monitoring of Disk Partitions .......................... 797 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 21: Table Of Contents

    E-UTRAN EPC Network Components ......................847 eNodeB ............................... 848 Mobility Management Entity (MME) ......................848 Serving Gateway (S-GW) ........................... 849 PDN Gateway (P-GW) ..........................849 Product Description .............................. 850 Product Specification ............................853 Licenses ................................853 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 22: Table Of Contents

    Subscriber Registration Setup Procedure ......................881 User-initiated Subscriber De-registration Setup Procedure ................ 883 Service Request Procedure ..........................884 User-initiated Service Request Procedure ....................884 Network-initiated Service Request Procedure .................... 886 Supported Standards............................. 887 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 23: Table Of Contents

    Mid-session Firewall Policy Update ........................ 918 How it Works..............................918 Understanding Rules with Stateful Inspection ..................... 922 Connection State and State Table in Personal Stateful Firewall ..............922 Transport and Network Protocols and States ....................923 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 24: Table Of Contents

    Ethernet 1000 Line Card/Quad Gigabit Ethernet Line Card (QGLC) SFPs ............ 958 QGLC/1000Base-SX ..........................958 QGLC/1000Base-LX Interface ........................959 RJ-45 SFP Interface ............................ 960 10 Gigabit Ethernet Line Card (XGLC) SFP+ ....................961 XGLC 10GBase-SR ........................... 961 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 25: Table Of Contents

    Environmental Information ..........................974 Storage Temperature and Humidity ......................... 974 Operating Temperature and Humidity ......................974 Altitude Operations ............................974 Supported Environmental Standards ....................... 974 Chassis Air Flow ............................. 975 Glossary ......................977 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 27: About This Guide

    About this Guide This document pertains to features and functionality that run on and/or that are related to the Cisco® ASR 5000 Chassis, formerly the Starent Networks ST40. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 28: Conventions Used

    Command Syntax Description Conventions Required keywords and variables are surrounded by grouped brackets. Required keywords and variables are those components that are required to be entered as part of the command syntax. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 29

    (also known as a pipe filter). Pipe filters can be used in conjunction with required or optional keywords or variables. For example: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 30: Contacting Customer Support

    Use the information in this section to contact customer support. For New Customers: Refer to the support area of http://www.cisco.com for up-to-date product documentation or to submit a service request. A valid username and password is required to this site. Please contact your local sales or service representative for additional information.

  • Page 31

    New In Release 10.0 This chapter provides information on the major features and functionality added to the software with this release. Topics covered in this chapter are: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 32: Common Features

    The HNB-GW is new in Release 10.0. With this release, Cisco Systems introduced Home-NodeB Gateway. The Home NodeB Gateway is the HNB network access concentrator used to connect the Home NodeBs (HNBs)/Femto Access Point (FAP) to access the UMTS network through HNB Access Network.

  • Page 33: License Keys

    Common Features ▀ Figure 1. HNB-GW Deployment in 3G UMTS Network For more information on this product, refer HNB Gateway in UMTS Networks chapter of this guide. License Keys Requires separate product license key. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 34

    New In Release 10.0 ▀ Content Filtering in Release 10.0 Content Filtering in Release 10.0 This section in development. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 35

    New In Release 10.0 ECS Features ▀ ECS Features This section in development. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 36

    This section contains information on new 9.0 features that pertain to the HRPD Serving Gateway (HSGW) and the PDN Gateway (P-GW) supporting eHRPD network services. New HSGW Features This section in development. New P-GW Features This section in development. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 37

    New In Release 10.0 ESS Features ▀ ESS Features This section in development. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 38

    New In Release 10.0 ▀ GSS Features GSS Features This section in development. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 39

    New In Release 10.0 HA Features ▀ HA Features This section in development. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 40

    New In Release 10.0 ▀ inPilot Features inPilot Features This section in development. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 41

    This section contains information on new 10.0 features that pertain to the PDN Gateway (P-GW), the Mobility Management Entity (MME) and the Serving Gateway (S-GW) supporting LTE/SAE network services. This section in development. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 42

    New In Release 10.0 ▀ PDSN Features PDSN Features This section in development. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 43

    New In Release 10.0 Peer-to-Peer Features ▀ Peer-to-Peer Features This section in development. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 44

    To identify the next hop PSAP, E-CSCF interacts with the Location Retrieval Function (LRF). LRF provides the necessary routing information so that E-CSCF can route the request to the appropriate PSAP. E-CSCF Interfaces The following diagram shows the interfaces/reference points associated with the E-CSCF: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 45

    If the S-CSCF does not support this feature, the HSS will not download identifiers of shared iFC sets. New Features and Functionality - Licensed Enhanced Feature Support Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 46

    The following diagram shows the implementation where CSCF supports only IPv4. Figure 2. IPv4 Configuration With IPv6 support, the configuration supported would look like the following diagram. The DNS server could be either IPv4 or IPv6. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 47

    Description Protocol (SDP); Stage 3 TS 29.214 Policy and charging control over Rx reference point TS 33.178 Security aspects of early IP Multimedia Subsystem (IMS) TS 33.978 Security aspects of early IP Multimedia Subsystem (IMS) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 48

    New In Release 10.0 ▀ SCM Features ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 49

    New In Release 10.0 SGSN Features ▀ SGSN Features This section in development. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 51

    Chapter 1 Cisco® ASR 5000 Platforms Introduction Designed exclusively for the wireless industry, the Cisco® ASR 5000 Chassis provides an ultra-high density solution for deployment in wireless carrier and operator environments. The ASR 5000 is a high-performance, carrier-grade platform that offers industry-leading wireless data capacity while enabling numerous integrated applications for additional revenue generation.

  • Page 52

    Hot swappable cards, allowing dynamic card replacement while the system is operational Load sharing, hot swappable - 48VDC power filters with redundant power circuitry throughout High Capacity Design Self-healing 320 Gbps packet-based Switch Fabric System Management Bus ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 53

    Cisco® ASR 5000 Platforms Introduction Characteristics of the System ▀ 32 Gbps Control Bus 140 Gbps Redundancy Bus Operating System Linux™-based Application hosting capabilities Modular, distributed processing Robust development environment Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 54: Features And Benefits

    Provides a mobility solution for subscriber‘s with Mobile Nodes (MNs) that do not implement the Mobile IP protocol stack. Full Handover Support Compliance with 3GPP procedures for Mobility Management, Location Management, and Session Management ensure high volume, load-balancing, and successful handover. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 55

    (optional licensed feature) level for AAA functionalityProvides AAA functionality to individual subscriber through realm (domain) APN Adjunct Compression Server Reduces network complexity and capital expenditure.Application based compression that helps conserve radio bandwidth resources. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 56

    3GPP Release 6 and 7.Provide sufficient, uninterrupted, consistent, and licensed feature) seamless user experience to a roaming IMS subscriber for an application along with dynamic charging functionality for the particular IMS application used. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 57

    Telnet and Secure Shell (SSH) protocolsRemote management features help manage and deploy large scale, carrier-class, highly available and very manageable, easily monitored networkContext- sensitive Help for all commands, keywords, and variables Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 59

    Chapter 2 Product, Service and Feature Licenses This chapter provides information regarding Cisco Systems‘ licensed products, services, and features. The following sections are included: Supported Product_License Quick Reference Session Use and Feature Use Licenses Default Licenses Cisco ASR 5000 Series Product Overview ▄...

  • Page 60

    Integrated Content Filtering PDSN Integrated Content Filtering GGSN Intelligent Traffic Control (ITC) ASN GW Intelligent Traffic control PDSN Interchassis Session Recovery GGSN Inter-Chassis Session Recovery IP Header Compression HSGW Robust Header Compression PDSN ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 61

    ASN GW Per Subscriber Traffic Policing/Shaping GGSN HSGW PDSN P-GW S-GW PDSN Closed RP PDSN PDSN Closed RP PCF Monitoring PDSN PCF/BS Monitoring Per Subscriber Stateful Firewall PDSN Per Subscriber Stateful Firewall GGSN Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 62

    VLANs ASN GW Layer 2 Traffic Management GGSN HSGW IPSG PDIF PDSN P-GW SGSN S-GW WiMAX Paging Controller ASN GW WiMAX Paging Controller/Location Register PHS Paging Controller PHS GW PHS Paging Controller ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 63

    Peer-to-Peer Detection Bundle 1k Sessions IP Services Gateway PDIF-Service (Includes IPSec, FA, and RADIUS AAA Server Groups) Access Service Network Gateway (ASN GW) (Includes FA, DHCP, Proxy MIP and RADIUS AAA Server Groups) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 64

    Dynamic Mobile IP Key Update SIP Application Serve External Service Steering 3GPP2 Always-On RP Extensions Robust Header Compression (ROHC) MIP NAT Traversal IS-835C Prepaid Bundle (Includes Change of Authorization, Destination Based Accounting, and Prepaid Accounting) ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 65

    SPCs match, and the session use license for the system would still be valid. However, unmatched keys would result in a loss of redundancy for all license-enabled session use and features should the remaining SPC/SMC that possesses the correctly matched license fail. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 66

    The following shows the license information for a system with no license key installed. Notice that the session use licenses for PDSN, HA, GGSN, and L2TP LNS are limited to 10,000 sessions. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 67

    Product, Service and Feature Licenses Default Licenses ▀ Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 69: Asr 5000 Hardware Platform Overview

    Chapter 3 ASR 5000 Hardware Platform Overview This chapter provides information on the hardware components that comprise the ASR 5000. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 70: Chassis Configurations

    Gigabit Ethernet Line Card 28** (GELC) Quad Gigabit Ethernet Line Card 28** (QGLC) 10 Gigabit Ethernet Line Card 14*** (XGLC) Optical Line Card (OLC) SGSN only 28** Optical Line Card 2 (OLC2) SGSN only 28** ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 71

    17 to 32 and 33 to 48, regardless of the number of installed XGLCs. Figure 5. Chassis Components (front and rear views) This diagram shows exploded views of the front and rear chassis components. They are described below: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 72

    Power Filter Units (PFUs): Each of the system‘s two PFUs provides -48 VDC power to the chassis and its associated cards. Each load-sharing PFU operates independently of the other to ensure maximum power feed redundancy. Refer to the Power Filter Units section for more information. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 73: Slot Numbering

    16 lower) for line cards. Figure 6. Front Slot Numbering Scheme for Application Cards The rear of the chassis features a half-slot design that supports up to 32 line cards: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 74: Rear Slot Numbering For Half-height Line Cards

    For lower rear slot numbers, add 32. Again, a redundant line card for an application card in Slot 1 would be (Slot 1 + 32 = Slot 33). Slot 33 is the lower right-most slot on the rear of the chassis, also behind Slot 1. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 75: Mounting Options

    The midplane also contains two separate -48 VDC busses (not shown) that distribute redundant power to each card within the chassis. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 76: Gbps Switch Fabric

    System Management Card (SMC), this IP-based, or packetized, switch fabric provides a transport path for user data throughout the system. The 320 Gbps switch fabric establishes inter-card communication between the SMC(s) and other application cards within the chassis, and their respective line cards. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 77: System Management Bus

    280 Gbps Redundancy Bus The Redundancy Bus consists of multiple, full-duplex serial links providing packet processing card-to-line card redundancy through the chassis‘ Redundancy Crossbar Cards (RCCs) as shown below. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 78

    Each serial link facilitates up to 5 Gbps symbol rate, equivalent to 4 Gbps of user data traffic, in each direction. Therefore, the Redundancy Bus provides 140 Gbps symbol rate (112 Gbps user data) of throughput per RCC, 280 Gbps symbol rate (224 Gbps user data) total for both. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 79: Oc-48 Tdm Bus

    SPIO experiencing a failure to the redundant SPIO. While it is recommended that an SPIO is installed directly behind its corresponding SMC, this bus allows either SMC to utilize either SPIO. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 80: Power Filter Units

    PF. Figure 10. Power Filter Unit Table 6. Power Filter Unit Component Descriptions Item Description Plastic terminal cover VDC (-48 VDC input terminals) RTN (voltage return terminals) ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 81

    ASR 5000 Hardware Platform Overview Power Filter Units ▀ Item Description Power filter unit handle Circuit breaker (On/Off) rated at 165A Power LED (See Replacing the Chassis‘ Power Filter Unit for details.) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 82: Fan Tray Assemblies

    The lower fan tray assembly contains multiple fans and pulls air into the chassis from the lower front and sides of the chassis. The air is then pushed upward across the various cards and midplane within the chassis to support vertical convection cooling. Figure 11. Lower Fan Tray Assembly ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 83: Air Filter Assembly

    This ensures that qualified service personnel can quickly replace the filter when needed. Upper Fan Tray The upper fan tray unit contains multiple fans that exhaust air from the upper rear and sides of the chassis. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 84: Chassis Airflow

    Airflow within the chassis is designed per Telcordia recommendations to ensure the proper vertical convection cooling of the system. Detailed information is located in the Chassis Air Flow section in Environmental Specifications chapter of this guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 85: Asr 5000 Application Cards

    Persistent storage via CompactFlash and PCMCIA cards (for field serviceability), and a hard disk drive for greater storage capabilities Internal gigabit Ethernet switch fabrics for management and control plane communication The front panel of the SMC and its major components is shown below: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 86

    Interlock Switch —When pulled downward, the interlock switch notifies the system to safely power down card prior to removal. Card Level Status LEDs—Show the status of the card. (See Applying Power and Verifying Installation for definitions). ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 87: Smc Raid Support

    Event logs at Warning level are generated for important abnormal cases: Overwriting a valid or invalid disk partition, RAID image, and file system RAID construction in progress and possible failure Low disk space Files deleted to free up disk space Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 88: Packet Processing Cards: Psc, Psc2, And Ppc

    Recalculates checksums Maintains statistics Manages both external line card ports and the internal connections to the data and control fabrics The following sections describe the differences between the PSC and PSC2 cards. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 89: Packet Services Card (psc) Description

    The front panel of the PSC and its major components is shown below: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 90

    Interlock Switch—When pulled downward, the interlock switch notifies the system to safely power down card prior to removal. Card Level Status LEDs—Show the current status of the card. (See Applying Power and Verifying Installation for definitions.) ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 91: Packet Services Card 2 (psc2) Description

    PSC2 is redundant with PSC, as long as there is no IPSec and the PSC2 is operating in the compatibility mode. ICSR is not supported between a chassis using PSC2s and a chassis using PSCs or PPCs due to the different capabilities of the two chassis. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 92: Capacity

    3 million SAU and 6 million PDP contexts 2 million PDSN sessions 6 million HA sessions Power Estimate 325W Maximum The front panel of the PSC2 and its major components is shown below: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 93

    Interlock Switch—When pulled downward, the interlock switch notifies the system to safely power down card prior to removal. Card Level Status LEDs—Show the current status of the card. (See Applying Power and Verifying Installation for definitions) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 94: Packet Processor Card (ppc) Description

    3 million SAU and 6 million PDP contexts 2 million PDSN sessions 6 million HA sessions Power Estimate 325W Maximum The front panel of the PPC and its major components is shown below: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 95

    Interlock Switch—When pulled downward, the interlock switch notifies the system to safely power down card prior to removal. Card Level Status LEDs—Show the current status of the card. (See Applying Power and Verifying Installation for definitions) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 96: Asr 5000 Line Cards

    8 fails, the redundant SMC in slot 9 becomes active and works with the SPIO in slot 24. If the SPIO in slot 24 should fail, the redundant SPIO in slot 25 takes over. The following shows the panel of the SPIO card, its interfaces, and other major components. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 97

    Interlock Switch—When pulled downward, the interlock switch notifies the system to safely power down card prior to removal. Card Level Status LEDs—Show the status of the card. See the Applying Power and Verifying Installation for definitions. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 98: Console Port

    The console uses an RS-232 serial communications port to provide local management access to the command line interface (CLI). A 9-pin-to-RJ-45 console cable is supplied with each SPIO card. The console cable must provide carrier-detect when attached in a null modem configuration. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 99: Bits Timing

    The RCC located in slot 40 supports line cards in slots 17 through 23 and 26 through 32 (upper rear slots). The RCC in slot 41 supports line cards in slots 33 through 39 and 42 through 48 (lower rear slots): Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 100

    Interlock Switch—When pulled downward, the interlock switch notifies the system to safely power down card prior to removal. Card Level Status LEDs—Show the status of the card. (See Applying Power and Verifying Installation for definitions). ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 101: Ethernet 10/100 Line Card

    (those operating in Standby mode). The following shows the panel of the Ethernet 10/100 line card, identifying its interfaces and major components: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 102

    Card Level Status LEDs—Show the status of the card. (See Applying Power and Verifying Installation for definitions). RJ-45 10/100 Ethernet Interfaces—Eight auto-sensing RJ-45 interfaces for R-P interface connectivity, carrying user data. Ports are numbered 1 through 8 from top to bottom. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 103: Ethernet 1000 (gigabit Ethernet) Line Cards

    (those operating in Standby mode). The following shows the panel of the Ethernet 1000 line card with the fiber connector, identifying its interfaces and major components. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 104: Quad Gigabit Ethernet Line Card

    There are several different versions of Small Form-factor Pluggable (SFP) modules available: Table 16. SFP Modules Supported by the QGLC Module Card Interface Type Cable Specifications Type Identification ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 105

    They are not required behind any redundant packet processing cards (those operating in Standby mode). The following shows the front panel of the QGLC, identifying its interfaces and major components: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 106: Gigabit Ethernet Line Card

    The 10 Gigabit Ethernet Line Card is commonly referred to as the XGLC. The XGLC supports higher speed connections to packet core equipment, increases effective throughput between the ASR 5000 and the packet core network, and reduces the number of physical ports needed on the ASR 5000. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 107

    The configuration for the lower-numbered stop slot retains all other configuration settings. If you install non-XGLC cards in the slots, you may bring them back online. Table 18. SFP Modules Supported by the XGLC Module Type Card Interface Type Cable Specifications Identification Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 108

    BE SURE TO KEEP COVER ON INTERFACE WHEN NOT IN USE. Important: Disposal of this product should be performed in accordance with all national laws and regulations. The following shows the front panel of the XGLC, identifying its interfaces and major components: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 109

    Interlock Switch—When pulled downward, the interlock switch notifies system to safely power down card prior to removal. Card Level Status LEDs—Show the status of the card. (See Applying Power and Verifying Installation for definitions) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 110: Optical Line Cards (olc And Olc2)

    Fiber Types: Single-mode optical Fiber connector fiber Wavelength: 1310 nm Core Size: 9 micrometers Cladding Diameter: 125 micrometers Range: Intermediate/21 kilometers Attenuation: 0.25 dB/KM Min/Max Tx Power: -15 dBm/-8 Rx Sensitivity: -28 dBm ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 111

    Optical (ATM) Line Card in slots 17 through 23, 26 through 39, and 42 through 48. The following figures show the panel of the OLC and OLC2 Optical (ATM) Line Cards, indicating their ports and major components. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 112

    ASR 5000 Hardware Platform Overview ▀ ASR 5000 Line Cards Figure 24. OLC Optical (ATM) Line Card ATM/POS OC-3 xxxx ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 113

    Card Level Status LEDs—Show the status of the card. See the Applying Power and Verifying Installation for definitions. Port connectors—Fiber LC duplex female connector. Port Level Status LEDs—Show the status of a port. See the Applying Power and Verifying Installation for definitions. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 114: Channelized Line Cards (clc And Clc2)

    In North America, the card supplies ANSI SONET STS-3 (optical OC-3) signaling. In Europe, the card supplies SDH STM-1 (optical OC-3). The transmission rate for the card is 155.52 Mb/s with 336 SONET channels supplying T1 and 252 SDH channels supplying E1. The CLC2 is RoHs 6/6 compliant. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 115

    Line Cards in slots 17 through 23, 26 through 39, and 42 through 48. The following figures show the panel of the CLC and CLC2 Channelized Line Cards, identifying their interfaces and major components. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 116

    ASR 5000 Hardware Platform Overview ▀ ASR 5000 Line Cards Figure 26. CLC Channelized Line Card STM-1 OC-3 xxxx ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 117

    Card Level Status LEDs—Show the status of the card. See the Applying Power and Verifying Installation for definitions. Port connectors—Fiber LC duplex female connector. Port Level Status LEDs—Show the status of a port. See the Applying Power and Verifying Installation for definitions. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 118: Standards Compliance

    ITU-T - Recommendation G.823, -The Control of Jitter and Wander within Digital Networks which are based on the 2048 kbit/s Hierarchy, March 2000. ITU-T - Recommendation G.824 The Control of Jitter and Wander within Digital Networks which are based on the 1544 kbit/s Hierarchy, March 2000. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 119

    Frame Relay Forum - FRF 2.1 - Frame Relay Network-to-Network Interface (NNI). Frame Relay Forum - FRF 5.0 - Network Interworking. Frame Relay Forum - FRF 8.1 - Service Interworking. Frame Relay Forum - FRF 12.0 - Frame Relay Fragmentation. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 120: General Application And Line Card Information

    The following shows an exploded view of how the card interlock switch works in conjunction with the ejector lever. Figure 28. Card Interlock Switch in the Lever Locked Position ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 121: Software Architecture

    As network requirements grow and call models change, hardware resources can be added to accommodate processes, such as encryption, packet filtering, etc., that require more processing Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 122

    The system can be fully virtualized to support multiple logical instances of each service. This eliminates the possibility of any one domain disrupting operations for all users in the event of a failure. Further, multiple context support allows operators to assign duplicate/overlapping IP address ranges in different contexts. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 123: Understanding The Distributed Software Architecture

    In addition to the CPs, the processing cards also have a high-speed Network Processor Unit (NPU) used for enhanced IP forwarding. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 124: Subsystems

    Network Processing Unit (NPU) Subsystem: The NPU subsystem is responsible for the following: ―Fast-path‖ processing of frames using hardware classifiers to determine each packet‘s processing requirements Receiving and transmitting user data frames to/from various physical interfaces ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 125

    Session Controller task serves as an integrated control node to regulate and monitor each of the Managers and to communicate with the other active subsystems. This subsystem also manages all specialized user data processing, such as for payload transformation, filtering, statistics collection, policing, and scheduling. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 127: Redundancy And Availability Features

    Every minute of downtime and every dropped session represents lost revenue to the wireless operator resulting in potential customer loss and reduced profitability. With this understanding, we have developed a system that exceeds the availability features found in the majority of today's wireless and wireline access devices. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 128: Service Availability Features

    Redundancy Crossbar Card (RCC) for processor-card-to-line card failover using the 280 Gbps Redundancy Bus Self-healing redundant 320 Gbps switching fabric Redundant 32 Gbps Control Bus Redundant Power Filter Units (PFUs) Hot-swappable cards, allowing dynamic replacement while the system is operational ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 129: Hardware Redundancy Configuration

    Figure 30. Recommended Redundant Configuration for Data Services - Front View Upper Fan Tray Assembly Active Processor Active Processor Cards Cards Lower Fan Tray Assembly and Particulate Air Filter Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 130: Maintenance And Failure Scenarios

    Scenario Data Data Packets Transactions Traffic SMC - Tasks are switched No impact No impact No impact No impact < 1 sec. Interrupt Planned over to standby maintenance SMC. SPIO remains active. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 131

    Other affected and mobile nodes will tasks are restarted on processing card retransmit requests) standby card. Network (user application connection is maintained will retransmit on existing LC via RCC. data) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 132: Software Assurance Features

    The following table shows various software process failure situations involving the SMC and SPIO cards, provides impact analysis (if any), and explains how each situation is resolved using rapid failure detection techniques found in the system. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 133: Session Recovery Feature

    Session Recovery Feature This licensed software feature performs an automatic recovery of all fully established subscriber sessions should a session manager task failure occur. This functionality is available for the following call types: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 134: Interchassis Session Recovery

    BGP peer monitoring. BGP routing must be enabled. Interchassis Session Redundancy is currently supported on chassis configured for GGSN service or HA services in support of Mobile IP and Proxy Mobile IP session types. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 135: Mean Time Between Failure And System Availability

    Ethernet 1000 Card (GELC) 396,715 45.29 2.52 600-00-1112 Power Filter Unit (165A) 967,118 110.40 1.03 600-00-1104 Fan Tray Unit - Lower 70,517 8.05 19.51 600-00-1103 Fan Blower Unit - Upper 120,178 13.72 18.72 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 136: System Availability

    Mean Time To Repair (MTTR) is the amount of time needed to repair a component, recover the system, or otherwise restore service after a failure. System availability calculations are based on the industry standard of four hours. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 137: Spare Component Recommendations

    Switch Processor I/O Card (SPIO) Redundancy Crossbar Card (RCC) Ethernet 10/100 Line Card (FELC) Gigabit Ethernet Line Card (GELC) Power Filter Unit (165A) Upper Fan Tray Unit Lower Fan Tray Unit Particulate Air Filter Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 139: Management System Overview

    Can be easily integrated with higher-level network, service, and business layer applications using the Object Management Group‘s (OMG‘s) Interface Definition Language (IDL) The following figure demonstrates these various element management options and how they can be utilized within the wireless carrier network. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 140

    Overview information about each of these methods follows. For detailed information, please see the System Administration and Configuration Reference, the Web Element Manager Getting Started Guide, or the Web Element Manager‘s robust Help system. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 141: Out-of-band Management

    By using the local context as the separate management context, network operations personnel are able to utilize their own RADIUS services for management authentication and accounting, further maintaining the separation of user and management data. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 142: Command Line Interface, Cli Overview

    CLI auto-pagination, improving the readability of command output displays Complete command history features, allowing users to review all commands previously entered during current session, and EMACS-style command line manipulation features increasing CLI usability ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 143

    Command Line Interface ▀ Interactive, context-sensitive Help, providing two levels of help for CLI commands, keywords, and variables For more detailed information, reference Command Line Interface Overview chapter in the System Administration and Configuration Reference. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 144: Web Element Manager Application

    The Secure Sockets Layer (SSL) protocol can be used to encrypt management data traffic between the client and the server. The following figure shows the Web Element Manager application's topology window. Figure 34. Web Element Manager Topology Window ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 145

    In addition to its element management capabilities, the Web Element Manager can be integrated with higher-layer network, service, and business management applications using its northbound CORBA interface. For more information on Web Element Manager application, refer Web Element Manager Overview section. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 147: Asn Gateway Overview

    Proxy-Mobile Internet Protocol (P-MIP) client Mobile IP Foreign Agent (MIP FA) protocol Data path function Context server function Handover relay function WiMax NSP-ID functionality Creation, modification, and deletion of pre-provisioned/dynamic service flows Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 148: Asn Mobility Management

    CSN of an external enterprise or ISP network. In either case, the ASN Gateway/foreign agent terminates the mobile subscriber‘s call session and then routes the subscriber‘s data to and from the appropriate home agent. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 149: Profile Management

    In addition, the ASN Gateway maintains a context for the mobile subscriber and the base station. Each subscriber‘s context contains the subscriber‘s profile and security context, and the characteristics of the subscriber‘s mobile device. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 150: Inter-asn Handovers

    If there is any download traffic, ASN Gateway requests the PC to trigger paging. During active operation, location information is also updated as the mobile subscriber moves to a new base station. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 151: Supported Features

    The ASN-GW includes a DHCP proxy/server/relay that interacts with the DHCP client function on the access device. In a Simple IP usage model, the DHCP server allocates dynamic addresses from a local address pool or fetches static Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 152: Asn Gateway Micro-mobility

    Controlled handovers may be triggered by the mobile access device or the serving base station as a congestion overload control mechanism. Controlled handovers and associated data path pre-registrations minimize the impact on performance to a greater extent than uncontrolled handovers and significantly reduce datapath outages. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 153: Wimax R4 Inter-asn Mobility Management

    RAN suppliers. Important: Support for this function requires the HA feature license key. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 154: Proxy Mobile Ipv4 (pmipv4)

    EAP client on the subscriber access device and EAP server on the AAA. The ASN Gateway triggers an EAP-identity request to the subscriber device. The subscriber device responds with an ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 155: Supported Radius Methods

    EAP-Authentication and Key Agreement (EAP-AKA) EAP-AKA uses symmetric cryptography based on pre-shared private client/server keys and challenge-response mechanisms similar to other EAP methods. It verifies credentials for users of Removable User Identity Modules (R- UIMs). Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 156: Supported Diameter Methods

    Clients can communicate directly to a home AAA server or be proxied through a visited network‘s AAA server. The following figure shows a typical prepaid network topology. Figure 37. Prepaid Network Topology Home Prepaid Server IP Network WiMAX Prepaid User Home Agent ASN Gateway WiMAX Base (HA) Prepaid Client Station ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 157: Volume And Duration-based Prepaid Accounting

    You can then apply the resulting policy actions through policy maps and policy groups. The detection and programming of the local policy engine can alternatively be triggered on network access at the ASN Gateway as it retrieves QoS profiles for each authenticated user. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 158: Hotlining/dynamic Radius Attributes

    Within a WiMAX ASN, QoS enforcement is administered by the Service Flow Authorization (SFA) component in the ASN Gateway (also referred to as Anchor Policy Charging Enforcement Function, or A-PCEF). SFA provides traffic management and QoS policy management for subscriber service flows. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 159: Asn Gateway Intra-chassis Session Recovery

    Radio Access Network to re-register large blocks of simultaneous users. It also minimizes the likelihood of revenue leakage due to the failure of network elements. This feature requires a feature license key for ASN Gateway session recovery. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 160: Supported Inline Services

    Multi Host Support in WiMAX Network The WiMAX ASN Gateway allows each WiMAX MS (identified by its 6-byte MSID) to be assigned a single IP address. IP accounting is maintained for the IP address. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 161: How It Works

    ASN Gateway. This means the primary IP address must be in use and in lease for the session to continue in Connected state. When the Primary IP address is released, the ASN Gateway session is terminated and all IP addresses are freed. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 162

    ASN Gateway Overview ▀ Supported Features The auxiliary IP addresses can be assigned and freed any time during the call via DHCP messages. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 163: Asn Gateway In A Wimax Network

    Connectivity Service Network (CSN) Home Agent (HA) Enterprise WiMAX SS/MS ASN Gateway WiMAX Base Station Internet WiMAX SS/MS ASN Gateway Acess Service Network (ASN) Another CSN Authorization Authentication, and Accounting Another ASN (AAA) Server Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 164: Access Service Network (asn)

    The ASN consists of at least one instance of a base station and at least one instance of an ASN Gateway (ASN Gateway). An ASN may be shared by more than one Connectivity Service Networks (CSN). The ASN decomposition with Network Reference Model (NRM) is shown in the following figure. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 165: Connectivity Service Network (csn)

    Internet access AAA proxy or server Policy and admission control based on user subscription profiles ASN-CSN tunneling support, WiMAX subscriber billing and inter-operator settlement Inter-CSN tunneling for roaming Inter-ASN mobility Home agent Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 166: Wimax Reference Points And Interfaces

    R6. The decomposition of the ASN functions using the R7 protocols is optional. Important: To provide high throughput and high density call processing, the ASN Gateway integrates both the Decision Point and Enforcement Point functions. Therefore, the R7 reference point is not exposed. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 167: Message Relay In Asn

    The ASN Gateway supports ASN Profile-C functionality. Form more information on supported features and functionality, refer to the Supported Feature section. The following figure shows the mapping of functional entities in an ASN Gateway for Profile-C. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 168

    Functional view of ASN Gateway Profile-C ASN Gateway Paging Controller Location Register Key Distributor Data Path Function DHCP Proxy/Relay Context Function Service Flow P-MIP Client Authorization MIP Foreign Agent AAA Client (MIP-FA) Authenticator ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 169: Wimax Network Deployment Configurations

    The economies of scale presented in this configuration example provide both improved session handling and reduced cost in deploying a WiMAX data network. The following figure shows an example of a co-located deployment. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 170

    Figure 43. Co-located ASN Gateway/FA and HA Network Deployment Configuration Example Carrier 1 Network Foreign Home IP Network WiMAX Combined ASN GW/FA and HA Internet or PDN ASN GW/FA WiMAX Carrier 2 Network ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 171: Asn Call Procedure Flows

    In this session the ASN Gateway service IP address is the R6 and R4 tunnel endpoint and handles both R6 and R4 traffic. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 172: Non-anchor Asn Gateway

    A non-anchor session is created upon receiving an R6 Data Path Registration Request from the target base station. Note that the non-anchor ASN Gateway session is identified by MSID only. This non-anchor ASN Gateway does NOT know ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 173: Initial Network Entry And Data Path Establishment Without Authentication

    Initial Network Entry and Data Path Establishment without Authentication This section describes the procedure of initial entry and data session establishment for a WiMAX subscriber station (SS) or MS without authentication by ASN Gateway. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 174

    ASN Gateway Overview ▀ ASN Call Procedure Flows Figure 44. Initial Network Entry and Data Session Establishment without Authentication Call Flow ASN-GW/ CSN/PDN/ MS/SS ASN BS Authenticator Internet DATA ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 175: Initial Network Entry And Data Path Establishment With Authentication (single Eap)

    The following figure provides a high-level view of the steps involved for initial network entry of an SS/MS with EAP authentication and data link establishment. The following table explains each step in detail. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 176

    MS performs initial ranging with the BS. Ranging is a process by which an MS becomes time aligned with the BS. The MS is synchronized with the BS at the successful completion of ranging and is ready to set up a connection. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 177: Unexpected Network Re-entry

    Accept the new call if the original call is in any state past the pre-attachment phase and the pre-attachment request of the new call comes from the same BS. Drop the original call in favor of new call. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 178: Ms Triggered Network Exit

    ▀ ASN Call Procedure Flows To disable this default behavior use the command in the ASN Gateway Service Configuration Mode. For more information regarding this command, refer to the Cisco Systems Command Line Interface Reference. MS Triggered Network Exit This section describes the procedure of MS Triggered network exit for a WiMAX Subscriber Station (SS) or MS in normal mode.

  • Page 179: Network Triggered Network Exit

    The following figure provides a high-level view of the steps involved for a network-triggered network exit of an SS/MS in normal mode. The following table explains each step in detail. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 180

    IP session for DHCP/MIP release starts between MS and network entities. MS sends DREG_REQ to ASN BS with De-Registration_Request_Code=0x02. ASN BS sends Path_Dereg_Req message to ASN Gateway. ASN Gateway/FA and HA starts MIP release procedure. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 181: Intra-asn Gateway Handover

    This section describes the procedure for an uncontrolled intra-anchor ASN Gateway handover for a WiMAX Subscriber The following figure provides a high-level view of the steps involved in an intra-anchor ASN Gateway uncontrolled handover of an SS/MS. The following table explains each step in detail. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 182

    Description MS sends RNG-REQ message to target ASN BS. Target ASN BS sends Context-Request message to anchor ASN Gateway for this MS. Anchor ASN Gateway forwards Context-Request message to serving ASN BS. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 183: Intra-anchor Asn Gateway Controlled Handover

    This is the initial phase for a controlled handover between two BSs. The following figure and table describe the call flow for the steps involved in an uncontrolled intra-ASN Gateway handover preparation phase between two BSs. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 184

    Serving BS sends HO_Ack message to the target BS and HO preparation phase is completed HO Action Phase The following figure and table describe the call flow for the steps involved in uncontrolled intra-ASN Gateway handover action phase between two BSs. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 185

    Data Path Established Mob_Ho_Ind HO-Conf R8_HO_Req_Timer HO-Ack MAC_Context-Req MAC_Context-Req MAC_Context-Rep MAC_Context-Rep Auth_Context-Req Auth_Context-Rep RNG-Req Network Re-entry Completion DP_Reg-Req DP_Reg-Rsp DP_Reg-Ack R6 DP Established Key_Count-Update Key_Count-Ack Data Path Established 16 (DP De-registration Process) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 186

    This is the initial phase for a controlled handover between two BSs. The following figure and table describe the call flow for the steps involved in uncontrolled intra-ASN Gateway handover preparation phase between two BSs. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 187

    Serving BS sends HO_Ack message to the target BS and HO preparation phase is completed. HO Action Phase The following figure and table describe the call flow for the steps involved in an uncontrolled intra-ASN Gateway handover action phase between two BSs. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 188

    Key_Count-Update Key_Count-Ack Data Path Established 16 (DP De-registration Process) Table 37. BS initiated Uncontrolled Intra-ASN Gateway Handover Action Phase Description Step Description Handover preparation phase is completed and data path is established. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 189: Inter-asn Gateway Handover

    Not all features are supported on all platforms. Controlled Anchor ASN Gateway to Non-Anchor ASN Gateway Handover Controlled Non-Anchor ASN Gateway to Anchor ASN Gateway Handover Controlled Non-Anchor ASN Gateway to Non-Anchor ASN Gateway Handover Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 190: Asn Gateway Function For Handovers

    An ASN Gateway configured for inter-ASN Gateway handovers requires the following functionality to support the handover via an R4 interface. The following figure provides a high-level view of the components and functions distribution in ASN Gateway. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 191: Controlled Anchor Asn Gateway To Non-anchor Asn Gateway Handover

    HO Confirm, and HO Complete messages in a stateless fashion. The gateway keeps the statistics of the different types of messages it has relayed. Retransmission of these messages is handled by the BS. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 192

    The following figure and table provides a high-level view of the steps involved during the preparation phase of a controlled inter-ASN Gateway handover of an SS/MS from an anchored gateway to a non-anchored gateway. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 193

    Anchor ASN Gateway sends a Context-Report message to the target non-anchor ASN Gateway. Target non-anchor ASN Gateway forwards the Context-Report message to the target ASN BS. Target ASN BS sends a Path Pre-Registration Request message to the target non-anchor ASN Gateway. Pre-registration is optional. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 194

    The following figure and table provides a high-level view of the steps involved during the action phase of a controlled inter-ASN Gateway handover of an SS/MS from an anchored gateway to a non-anchored gateway. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 195

    Anchor ASN Gateway sends a Path Registration Response message to the target non-anchor ANS GW. Target non-anchor ASN Gateway forwards the Path Registration Response message to the target ASN BS. Target ASN BS sends a Path Registration Acknowledge message to the target non-anchor ASN Gateway. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 196: Uncontrolled Anchor Asn Gateway To Non-anchor Asn Gateway Handover

    Uncontrolled Anchor ASN Gateway to Non-Anchor ASN Gateway Handover The following figure and table provides a high-level view of the steps involved in an uncontrolled inter-ASN Gateway handover of an SS/MS from an anchored gateway to a non-anchored gateway. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 197

    Target ASN BS sends Context-Request message to target non-anchor ASN Gateway. Target non-anchor ASN Gateway forwards Context-Request message to anchor ASN Gateway. Anchor ASN Gateway sends Context-Report message with MS context information to target non-anchor ASN Gateway. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 198: Radius-based Prepaid Accounting For Wimax

    Obtaining More Quota after the Quota is Reached The following figure and table provide a high-level view of the steps involved in allocating additional quotas for prepaid calls once the original quota is reached. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 199

    Once the threshold for the quota(s) is reached, the PPC sends an Authorize-Only Access-Request to request additional quota. The request contains one or more PPAQs that indicate which quota(s) need to be replenished to the PPS. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 200: Applying Http Redirection Rule When Quota Is Reached

    Applying HTTP Redirection Rule when Quota is Reached The following figure and table provide a high-level view of the steps showing how the HTTP Redirection Rule is applied once a quota is reached. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 201

    Table 42. Call Flow for Applying HTTP Redirection Rule on Quota-Reach Step Description The Volume or Duration quota is reached. The Termination-Action is Request More Quota. The PPC sends an Online Access Request to the AAA server and waits for Access-Accept. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 202: Applying Http Redirection Rule Coa Is Received

    Applying HTTP Redirection Rule CoA is Received The following figure and table show the steps involved in applying the HTTP Redirection Rule when the PPAC receives a change of authorization (CoA) from a AAA server. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 203

    The PPS updates the AAA server so that the AAA server dynamically enforces HTTP Redirection Rule at the PPC. The AAA server sends a CoA message to the PPC (home agent) with the HTTP Redirection Rule. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 204: Aaa Server

    AAA Server Internet Normal Internet traffic Quota Reached Online Access-Request sent after quota reached Access-Accept with same quota attributes. (No additional-quota and Termination-Action=Terminate Session Termination Final Online Access-Request sent after quota reached ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 205

    If the termination-action is Request-More-Quota, the PPC sends an Online-Access-Request to the AAA server and waits for Access-Accept. The PPC receives the Access-Accept, which contains no additional quota attributes. Session is terminated at the PPC (home agent) and at the ASN GW. The PPC sends the final Online-Access-Request. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 206: Csn Procedure Flows

    This section describes the CSN procedure of simple IP with DHCP proxy triggering PMIPv4 for a WiMAX subscriber. The following figure and table provide a high-level view of the steps involved in PMIP4 connection and call flow of an SS/MS. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 207

    Mobile IPv4 Registration procedure.The PMIP4 client uses the HoA information and constructs a Mobile IPv4 Registration Request message and sends the Mobile IPv4 Registration Request to the FA address. The FA forwards the registration request to the CSN HA. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 208: Pmip4 Session Release

    This section describes the CSN procedure of PMIPv4 session release during a WiMAX subscriber session. The following figure and table provide a high-level view of the steps involved in PMIPv4 session release and termination of connection an SS/MS. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 209

    CSN HA starts release of MIP binding. CSN HA sends PMIP De-Reg RRQ (Registration Revocation) message to ASN Gateway and PMIP client sends GA_Revoke_Rsp message to ASN Gateway. WiMAX session terminated between MS and CSN HA. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 210: Wimax Deployment With Legacy Core Networks

    3GPP PS WiMAX Services SS/MS CSN IWU ASN-GW ASN Gateway Interoperability with 3GPP2 Overlay The following figure shows a typical interoperability scenario between WiMAX and 3GPP2 legacy networks with reference points and interfaces. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 211: Session Continuity Support For 3gpp2 And Wimax Handovers

    Common billing and customer care Accessing home 3GPP2 service through Wimax network and vice versa Better user experience with seamless session continuity For more information on this support, refer to the HA Administration Guide. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 212: Manual Mode, Automatic Mode

    NAP can be used to establish a direct connection with an NSP, the MS selects a NAP by using ―User Controlled CAPL‖ (Contractual Agreements Preference List) or ―Operator Controlled CAPL‖. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 213: Asn Gw And Nap-id/nsp-id Process

    5. The ASN GW and HA sends the NSPID in authentication and accounting procedures to AAA server. The ASNGW does not send NAPID in authentication and accounting procedures to the AAA server, since the ASNGW sends the BSID to the AAA server. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 214: Data Tunnel Endpoint Support

    If the ASNGW requires a different data tunnel endpoint instead of a control address, the tunnel endpoint IP address is populated in the MS information TLV if it is per BS for DP Reg Request/Response message. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 215: Inter-asngw Handoff

    DP-Reg Rsp message. AT1 and AT2 are the data tunnel endpoints on the anchor and non-anchor GWs, respectively to negotiate R6 control traffic. SB1 and TB1 is the control address on SBS and TBS, respectively. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 216: Supported Standards

    RFC-3012, Mobile Ipv4 Challenge/Response Extensions, November 2000 RFC-3024, Reverse Tunneling for Mobile IP, revised, January 2001 RFC-3046, DHCP Relay Agent Information Option, January 2001 RFC-3344, Mobile IP support for Ipv4, August 2002 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 217: Object Management Group (omg) Standards

    RFC-3588, Diameter Base Protocol, September 2003 RFC-3748, Extensible Authentication Protocol, June 2004 RFC 1918, NWG, Stage 2 Architecture, 121505 RFC 3115, Mobile IP Vendor/Organization-specific Extensions Object Management Group (OMG) Standards CORBA 2.6 Specification 01-09-35, Object Management Group Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 219: Asn Paging Controller And Location Registry Overview

    The ASN Paging Controller and Location Registry (PC/LR) provides paging and location updates to WiMAX subscribers in IEEE 802.16 Mobile WiMAX radio access networks. This service can be used as a standalone product or in combination with ASN Gateway as co-located services on the same chassis. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 220: Introduction

    Paging and Idle Mode Operation maintains a track and alert for MSs when they are in idle mode to save battery power. Paging is executed to alert MSs when there is an incoming message. Figure 8 illustrates the paging operation and paging and idle mode elements in the WiMAX network system. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 221

    Location updates to the LR database are conveyed over R6 and R4 messages between the relay paging controller serving ASN and the A-PC/LR. When a remote host Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 222: Description Of Pc/lr Support

    Relay PC: There are one or more other PCs in the network, called relay PCs, that participate in relaying paging and location management messages between the paging agent and the anchor PC. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 223: Paging Agent (pa)

    Location Update Procedure This section describes the secure location update procedure for a WiMAX MS. The following figure and table provides a high-level view of the steps involved in a secure location update. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 224

    Offset, and Paging Cycle TLVs if the serving ASN Gateway proposes an update to these parameters. Note: This message may be relayed by several intermittent ASNs before reaching the anchor PC (Anchor ASN Gateway). ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 225: Location Update With Paging Controller Relocation

    TLVs if the serving ASN proposes an update to these parameters. Note that this message may be relayed by several intermittent ASNs before reaching the current anchor PC ASN. The serving ASN or any intermittent ASN along the path may request PC relocation. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 226

    TR4-PC_Reloc_Upd_AA. At this point, new anchor PC ASN hosts the anchor PC function and becomes the new current Anchor PC ASN for the MS. The anchor PC is de-allocated from the old current anchor PC ASN. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 227: Paging Operation

    Paging Operation This section describes the paging operation for a WiMAX MS. The following figure and table provides a high-level view of the steps involved in the paging operation call flow of an Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 228

    Function starts timer TInit_Page_Req.Note: When MS is in Idle Mode, if data not belonging to any saved Service Flow (SF) of the MS arrives, the decision to initiate paging or not is on the basis of operator‘s setting. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 229: Ms Initiated Idle Mode Entry

    This section describes the MS-initiated idle mode entry procedure for a WiMAX subscriber. The following figure and table provides a high-level view of the steps involved in MS-initiated idle mode entry call flow of an SS/MS. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 230

    ASN Paging Controller and Location Registry Overview ▀ Introduction Figure 68. MS Initiated Idle Mode Entry Procedure Flow Serving ASN Anchor ASN ASN-GW/PC/ ASN-GW/ ASN BS MS/SS Authenticator/DPF Local-PC ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 231

    After the expiration of the Management Resource Holding Timer (an 802.16e parameter), the serving BS initiates the related R6 data Path Dereg procedure by sending R6 Path_Dereg_Req to the anchor ASN Gateway. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 232: Ms Initiated Idle Mode Exit

    This section describes the MS-initiated idle mode exit procedure for a WiMAX subscriber. The following figure and table provides a high-level view of the steps involved in MS- initiated idle mode exit call flow of an SS/MS. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 233

    MS initiates exit procedure from IDLE mode and sends RNG_REQ to the serving ASN BS. The Ranging Purpose Indication TLV is set to 1 and the PC ID TLV is included, thus indicating that the MS intends to Re-Entry from Idle Mode. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 234

    Idle mode due to a network initiated Idle mode exit, the PC/LR will cease all Paging Announce operations. The serving BS updates the anchor authenticator with the CMAC Key count for the MS via the serving ASN Gateway. The anchor authenticator acknowledges the CMAC update for the MS. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 235: Supported Platforms And Software

    ASN Paging Controller and Location Registry Overview Supported Platforms and Software ▀ Supported Platforms and Software ASN PC-LR is available for all chassis running StarOS Release 8.0 or later. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 237: Cdma2000 Wireless Data Services

    This overview provides general information about the PDSN including: Product Description Product Specifications Features and FunctionalityBase Software Features and Functionality - Optional Enhanced Software Features CDMA2000 Data Network Deployment Configurations Understanding Simple IP and Mobile IP Supported Standards Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 238: Product Description

    HA, the system can either be located within the carrier‘s 3G network or in an external enterprise or ISP network. Regardless, the PDSN/FA terminates the mobile subscriber‘s PPP session, and then routes data to and from the appropriate HA on behalf of the subscriber. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 239: Product Specifications

    Ethernet 10/100 and/or Ethernet 1000/Quad Gig-E Line Cards (QGLC): Installed directly behind PSCs, these cards provide the RP, AAA, PDN, and Pi interfaces to elements in the data network. Up to 26 line cards Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 240

    PSCs. Important: Additional information pertaining to each of the application and line cards required to support CDMA2000 wireless data services is located in the Product Overview Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 241: Features And Functionality—base Software

    The PDSN supports a subset of event triggers as defined in 29.212. Currently the event trigger support is limited to the following: RAT Change User location change (BSID) AN GW change ( during inter PCF handoff) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 242: Radius Support

    The following figure shows the Gx support for Simple IP. Figure 70. Gx for Simple IP RADIUS Support Provides a mechanism for performing authorization, authentication, and accounting (AAA) for subscriber PDP contexts based on the following standards: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 243: Description

    It provides a facility to create ―user defined‖ RADIUS server groups, as many as 399 (excluding ―default‖ server group), within a context. Any of the user defined RADIUS server groups are available for assignment to a subscriber through the subscriber configuration within that context. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 244: Access Control List Support

    Once a match is identified, all subsequent rules are ignored. Important: For more information on Access Control List configuration, refer IP Access Control List chapter in System Enhanced Feature Configuration Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 245: Ip Policy Forwarding

    Up to 1,600 accounting, authentication and/or mediation servers are supported per chassis and may be distributed across a maximum of 1,000 subscribers. This feature also enables the AAA servers to be distributed across multiple subscribers within the same context. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 246: Overlapping Ip Address Pool Support

    Variable length subnetting, areas, and redistribution into and out of OSPF are supported. OSPF routing is supported in accordance with the following standards: RFC-1850, OSPF Version 2 Management Information Base, November 1995 RFC-2328, OSPF Version 2, April 1998 RFC-3101 OSPF-NSSA Option, January 2003 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 247

    In addition, all management is performed out-of-band for security and to maintain system performance. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 248

    ▀ Features and Functionality—Base Software Description Cisco‘s O&M module offers comprehensive management capabilities to the operators and enables them to operate the system more efficiently. There are multiple ways to manage the system either locally or remotely using its out-of-band management interfaces.

  • Page 249: Threshold Crossing Alerts (tca) Support

    The system supports Threshold Crossing Alerts for certain key resources such as CPU, memory, IP pool addresses, etc. With this capability, the operator can configure threshold on these resources whereby, should the resource depletion cross the configured threshold, a SNMP Trap would be sent. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 250

    Allows the use of small packets for bulk data with good line efficiency Allows the use of small packets for delay sensitive low data-rate traffic Decreases header overhead Reduces packet loss rate over lossy links ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 251

    Provides support for more granular configuration of DSCP marking. For different Traffic class, the PDSN supports per-service and per-subscriber configurable DSCP marking for Uplink and Downlink direction based on Allocation/Retention Priority in addition to the current priorities. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 252: Features And Functionality - Optional Enhanced Software Features

    The additional hardware resources required for session recovery include a standby System Processor Card (SPC) and a standby PSC. There are two modes for Session Recovery. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 253: Ipv6 Support

    PDSN during the stateless address auto-configuration procedure. Once this has completed, the mobile can select any interface identifier for further communication as long as it does not conflict with the PDSN's interface identifier that the mobile learned through router advertisement messages from the PDSN. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 254: L2tp Lac Support

    LAC. The LNS can be used as a standalone, or running alongside a PDSN service in the same platform, terminating L2TP services in a cost effective and seamless manner. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 255: Proxy Mobile Ip

    IP Security provides a mechanism for establishing secure tunnels from mobile subscribers to pre-defined endpoints (i.e. enterprise or home networks) in accordance with the following standards: RFC 2401, Security Architecture for the Internet Protocol RFC 2402, IP Authentication Header (AH) RFC 2406, IP Encapsulating Security Payload (ESP) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 256

    Committed Data Rate (CDR): The guaranteed rate (in bits per second) at which packets may be transmitted/received for the subscriber during the sampling interval. Peak Data Rate (PDR): The maximum rate (in bits per second) that packets may be transmitted/received for the subscriber during the sampling interval. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 257: Intelligent Traffic Control

    For more information on per subscriber traffic policing and shaping, refer Traffic Policing and Shaping chapter in System Enhanced Feature Configuration Guide. Intelligent Traffic Control Enables operators to provide differentiated tiered service provisioning for native and non-native subscribers. Description Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 258: Dynamic Radius Extensions (change Of Authorization)

    The destination address and optionally the destination port of TCP/IP or UDP/IP packets from the subscriber are rewritten so the packet is forwarded to the designated redirected address. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 259: Web Element Management System

    CORBA interfaces. The server component is fully compatible with the fault-tolerant Sun® Solaris® operating system. Important: For more information on WEM support, refer WEM Installation and Administration Guide. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 260: Cdma2000 Data Network Deployment Configurations

    Mobile IP protocol. Such transactions are performed through the use of virtual private networks that create Mobile IP tunnels between the HA and FA. Interface Descriptions This section describes the primary interfaces used in a CDMA2000 wireless data network deployment. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 261: Co-located Deployments

    The economies of scale presented in this configuration example provide for both improved session handling and reduced cost in deploying a CDMA2000 data network. The following figure depicts a sample co-located deployment. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 262

    It should be noted that all interfaces defined within the 3GPP2 standards for 1x deployments exist in this configuration as they are described in the two previous sections. This configuration can support communications to external, or standalone, PDSNs/FAs and/or HAs using all prescribed standards. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 263: Understanding Simple Ip And Mobile Ip

    IP address with a new PDSN that is serving the new area. This new connection may or may not be provided by the same service provider. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 264: How Simple Ip Works

    MN to an end host. Users should keep in mind that steps 2, 3, 11, and 12 in the call flow are related to the Radio Access Node (RAN) functions and are intended to show a high-level overview of radio communications iterations, and as such are outside the scope of packet-based communications presented here. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 265

    The PDSN and MN negotiate Link Control Protocol (LCP). Upon successful LCP negotiation, the MN sends a PPP Authentication Request message to the PDSN. The PDSN sends an Access Request message to the RADIUS AAA server. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 266: Mobile Ip

    Mobile IP, tunnels are used to transport data packets between the FA and HA. The system supports the following tunneling protocols, as defined in the IS-835-A specification and the relevant Request For Comments (RFCs) for Mobile IP: IP in IP tunnels ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 267

    Using the Encapsulating Delivery Style, the MN encapsulates all its outgoing packets to the FA. The FA then de- encapsulates and re-tunnels them to the HA, using the FA's care-of address as the entry-point for this new tunnel. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 268

    HA and FA are required to be connected to a private network. This can be especially troublesome in large networks, serving numerous enterprise customers, as each FA would have to be connected to each private network. The following figure shows an example of how triangular routing is performed. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 269: How Mobile Ip Works

    As described earlier, Mobile IP uses three basic communications protocols; PPP, IP, and Tunneled IP in the form of IP- in-IP or GRE tunnels. The following figure depicts where each of these protocols are used in a basic Mobile IP call. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 270

    MN to a HA and table that follows, explains each step in detail. Users should keep in mind that steps in the call flow related to the Radio Access Node (RAN) functions are intended to show a high-level overview of radio communications iterations, and as such are outside the scope of packet-based communications presented here. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 271

    CDMA2000 Wireless Data Services Understanding Simple IP and Mobile IP ▀ Figure 77. Mobile IP Call Flow Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 272

    The HA sends an Accounting Stop message to the home AAA server. The PDSN/FA sends an Accounting Stop message to the visitor AAA server. The visitor AAA server proxies the accounting data to the home AAA server. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 273

    Scenario 1: AAA server and PDSN/FA Allocate IP Address The following figure and table display and describe a call flow in which the MN receives its IP address from the AAA server and PDSN/FA. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 274

    CDMA2000 Wireless Data Services ▀ Understanding Simple IP and Mobile IP Figure 78. AAA/PDSN Assigned IP Address Proxy Mobile IP Call Flow ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 275

    Scenario 2: HA Assigns IP Address to MN from Locally Configured Dynamic Pools The following figure and table display and describe a call flow in which the MN receives its IP address from the AAA server and PDSN/FA. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 276

    CDMA2000 Wireless Data Services ▀ Understanding Simple IP and Mobile IP Figure 79. HA Assigned IP Address Proxy Mobile IP Call Flow ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 277

    The HA sends a Proxy Mobile IP De-Registration Response message to the FA terminating the Pi interface The PDSN/FA and the PCF terminate the R-P session. The HA and the AAA server stop accounting for the session. The PDSN and the AAA server stop accounting for the session. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 278

    RFC-1850, OSPF Version 2 Management Information Base, November 1995 RFC-1901, Introduction to Community-based SNMPv2, January 1996 RFC-1902, Structure of Management Information for Version 2 of the Simple Network Management Protocol (SNMPv2), January 1996 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 279

    RFC-2475, An Architecture for Differentiated Services, December 1998 RFC-2484, PPP LCP Internationalization Configuration Option, January 1999 RFC-2486, The Network Access Identifier (NAI), January 1999 RFC-2571, An Architecture for Describing SNMP Management Frameworks, April 1999 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 280

    RFC-3706, A Traffic-Based Method of Detecting Dead Internet Key Exchange (IKE) Peers, February 2004 RFC-3759, Robust Header Compression (ROHC): Terminology and Channel Mapping Examples, April 2004 RFC-3588, Diameter Based Protocol, September 2003 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 281: Tia And Other Standards

    CORBA 2.6 Specification 01-09-35, Object Management Group 3GPP2 Standards 3GPP2 A.S0001-A v2: 3GPP2 Access Network Interfaces Interoperability Specification (also known as 3G-IOS v4.1.1) 3GPP2 P.S0001-A-3: Wireless IP Network Standard 3GPP2 P.S0001-B: Wireless IP Network Standard Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 282: Ieee Standards

    Inter-operability Specification (IOS) for CDMA2000 Access Network Interfaces 3GPP2 X.S0011-005-D Accounting Services and 3GPP2 RADIUS VSAs, February 2006 3GPP2 TSG-X (PSN) X.P0013-014-0, Service Based Bearer Control – Ty Interface Stage-3 IEEE Standards 802.1Q VLAN Standard ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 283: Ggsn Support In Gprs/umts Wireless Data Services

    Chapter 10 GGSN Support in GPRS/UMTS Wireless Data Services The Cisco® ASR 5000 chassis provides wireless carriers with a flexible solution that functions as a Gateway GPRS Support Node (GGSN) in General Packet Radio Service (GPRS) or Universal Mobile Telecommunications System (UMTS) wireless data networks.

  • Page 284

    In accordance with RFC 2002, the FA is responsible for mobile node registration with, and the tunneling of data traffic to/from the subscriber‘s home network. The HA is also responsible for tunneling traffic, but also maintains subscriber location information in Mobility Binding Records (MBRs). ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 285: Product Specification

    Packet Processing Cards (PSCs/PSC2s/PPCs): In the ASR 5000 platform, packet processing cards provide high-speed, multi-threaded PDP context processing capabilities for GGSN services. Up to 14 packet processing cards can be installed, allowing for multiple active and/or redundant cards. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 286: Operating System Requirements

    GPRS/UMTS wireless data services is located in the Hardware Platform Overview chapter of the Product Overview Guide. Operating System Requirements The GGSN is available for ASR 5000 chassis running StarOS™ Release 7.1 or later. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 287: Network Deployment And Interfaces

    The figures that follow display simplified network views of the GGSN in a GPRS/UMTS network and the system supporting Mobile IP and Proxy Mobile IP function both the GGSN/Foreign Agent (FA) and GGSN/FA/Home Agent (HA) combinations respectively. Figure 81. Basic GPRS/UMTS Network Topology Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 288: Supported Interfaces

    ▀ Network Deployment and Interfaces Figure 82. Combined GGSN/FA Deployment for Mobile IP and/or Proxy Mobile IP Support Figure 83. Combined GGSN/FA/HA Deployment for Mobile IP and/or Proxy Mobile IP Support Supported Interfaces ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 289

    DHCP: This is the interface used by the GGSN to communicate with a Dynamic Host Control Protocol (DHCP) Server. The system can be configured as DHCP-Proxy or DHCP Client to provide IP addresses to MS on PDP contexts activation the DHCP server dynamically. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 290

    This interface is supported through license-enabled feature. For more information on this support, refer Common Gateway Access Support in guide. Important: GGSN Software also supports additional interfaces. For more information on additional interfaces, refer Features and Functionality - Optional Enhanced Feature Software section. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 291: Features And Functionality - Base Software

    PDP Context Support RADIUS VLAN Support Routing Protocol Support Support of Charging Characteristics Provided by AAA Server Support of all GGSN generated causes for partial G-CDR closure Threshold Crossing Alerts (TCA) Support Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 292: Sgsn Support

    Once configured, an ACL can be applied to any of the following: An individual interface All traffic facilitated by a context (known as a policy ACL) An individual subscriber All subscriber sessions facilitated by a specific context ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 293: Ansi T1.276 Compliance

    The GGSN's Access Point Name (APN) support offers several benefits: Extensive parameter configuration flexibility for the APN. Creation of subscriber tiers for individual subscribers or sets of subscribers within the APN. Virtual APNs to allow differentiated services within a single APN. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 294: Bulk Statistics Support

    The system can be configured to collect bulk statistics (performance data) and send them to a collection server (called a receiver). Bulk statistics are statistics that are collected in a group. The individual statistics are grouped by schema. The following schemas are supported for GGSN service: System: Provides system-level statistics ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 295: Direct Tunnel Support

    (GTP-U) tunnel directly between RNC and GGSN (using an Update PDP Context Request towards the GGSN). The following figure illustrates the working of Direct Tunnel between RNC and GGSN. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 296: Dhcp Support

    GGSNs are capable of handling the additional control plane loads introduced of part of Direct Tunnel deployment. The Cisco GGSN and SGSN offers massive control plane transaction capabilities, ensuring system control plane capacity will not be a capacity limiting factor once Direct Tunnel is deployed.

  • Page 297: Dscp Marking

    The selected V-APN may further require AAA authentication (and accounting) with its own servers. GTPP Support Support for the GPRS Tunnelling Protocol Prime (GTPP) in accordance with the following standards: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 298: Host Route Advertisement

    As calls come up, and addresses from this pool (with the ―explicit-route-advertise‖ flag) are used, the assigned addresses are added to the routing table and these addresses can be advertised by OSPF or BGP through the network or the ―redistribute connected‖ command. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 299

    For more information on IP Policy Forwarding configuration, refer Policy Forwarding chapter in System Enhanced Feature Configuration Guide. IP Header Compression - Van Jacobson Implementing IP header compression provides the following benefits: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 300

    3GPP TS 23.060: General Packet Radio Service (GPRS) Service description 3GPP TS 27.060: Mobile Station Supporting Packet Switched Services 3GPP TS 29.061: Interworking between the Public Land Mobile Network (PLMN) supporting Packet Based Services and Packet Data Networks (PDN) ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 301

    There are multiple ways to manage the system either locally or remotely using its out-of-band management interfaces. These include: Using the Command Line Interface (CLI) Remote login using Telnet, and Secure Shell (SSH) access to CLI through SPIO card's Ethernet management interfaces Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 302

    Management Group's (OMG‘s) Interface Definition Language (IDL) The following figure demonstrates these various element management options and how they can be utilized within the wireless carrier network. Figure 85. Element Management Methods ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 303

    3GPP TS 29.061 v7.6.0 (2008-09): 3rd Generation Partnership Project; Technical Specification Group Core Network; Packet Domain; Interworking between the Public Land Mobile Network (PLMN) supporting Packet Based Services and Packet Data Networks (PDN) (Release 4) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 304: Per Apn Configuration To Swap Out Gn To Gi Apn In Cdrs

    This feature provides a means to configure the rule such that the traffic is matched irrespective of the presence of a port number. A new configurable has been added to the rulebase configuration that will ignore the port numbers embedded in the application headers of HTTP, RTSP, SIP, and WSP protocols. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 305: Quality Of Service Support

    RFC-2869, RADIUS Extensions, June 2000 The Remote Authentication Dial-In User Service (RADIUS) protocol is used to provide AAA functionality for subscriber PDP contexts. (RADIUS accounting is optional since GTPP can also be used.) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 306: Radius Vlan Support

    VPN customers often use private address space which can easily overlap with other customers. The subscriber addresses are supported with overlapping pools which can be configured in the same virtual routing context. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 307: Routing Protocol Support

    Variable length subnetting, areas, and redistribution into and out of OSPF are supported. OSPF routing is supported in accordance with the following standards: RFC-1850, OSPF Version 2 Management Information Base, November 1995 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 308: Support Of Charging Characteristics Provided By Aaa Server

    The RADIUS attribute 3GPP-Chrg-Char can be used to get the charging characteristics from RADIUS in Access- Accept message. Accepting the RADIUS returned charging characteristic profile must be enabled per APN. The CC ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 309: Support Of All Ggsn Generated Causes For Partial G-cdr Closure

    Logs are supported in both the Alert and the Alarm models. Alarm System: High threshold alarms generated within the specified polling interval are considered ―outstanding‖ until a the condition no longer exists or a condition clear alarm is generated. ―Outstanding‖ Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 310

    Alarm Management menu in the Web Element Manager. The Alarm System is used only in conjunction with the Alarm model. Important: For more information on threshold crossing alert configuration, refer Thresholding Configuration Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 311: Features And Functionality - Optional Enhanced Feature Software

    In todays scenario an operator must have multiple access networks (CDMA, eHRPD and LTE) plus a GSM/UMTS solution for international roaming. Therefore, operator requires a solution to allow customers to access services with the Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 312: Converged Dsl Support On The Ggsn

    Radius Change of Authorization (CoA) extension. Important: For more information on dynamic RADIUS extensions support, refer CoA, RADIUS, And Session Redirection (Hotlining) chapter in System Enhanced Feature Configuration Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 313: Gre Protocol Interface Support

    Transport protocol-protocol used to carry the encapsulated protocol. The main transport protocol is IP. The most simplified form of the deployment scenario is shown in the following figure, in which GGSN has two APNs talking to two corporate networks over GRE tunnels. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 314: Gx Interface Support

    Corporate A network gateway Access Network GRE Tunnel GGSN IPv4 Network GRE Tunnel Corporate B Corporate B network gateway Gx Interface Support Gx interface support on the system enables the wireless operator to: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 315: Inter-chassis Session Recovery

    The ASR 5000 provides industry leading carrier class redundancy. The systems protects against all single points of failure (hardware and software) and attempts to recover to an operational state when multiple simultaneous failures occur. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 316

    The checkpoint parameter determines the amount of time a session must be active before it is included in the checkpoint message. Important: For more information on inter-chassis session recovery support, refer Interchassis Session Recovery chapter in System Enhanced Feature Configuration Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 317: Ip Security (ipsec)

    IPSec is supported for the new subscriber sessions. Data for existing Mobile IP sessions will be unaffected. L2TP: L2TP-encapsulated packets are routed from the system to an LNS/secure gateway over an IPSec tunnel. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 318

    The existing IPv4 model of interface and route notification will be extended to support IPv6. This feature allows IPv6 subscribers to connect via the GPRS/UMTS infrastructure in accordance with the following standards: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 319

    IPCP to request an address. To support PPP negotiation between the GGSN and the corporation, an L2TP tunnel must be setup in the GGSN running a LAC service. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 320: L2tp Lns Support

    System Aspects; 3G security; Lawful Interception requirements (Release 6) 3GPP TS 33.107 V6.2.0 (2004-06): 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; 3G security; Lawful interception architecture and functions (Release 6) ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 321: Mobile Ip Home And Foreign Agents

    HA and FA components are defined by RFC 2002 in support of Mobile IP. Mobile IP provides a network-layer solution that allows Mobile Nodes (MNs, i.e. mobile phones, wireless PDAs, and other mobile devices) to receive routed IP Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 322: Mobile Ip Nat Traversal

    IP payload packet header. Important: For more information on this feature, refer MIP NAT Traversal chapter in System Enhanced Feature Configuration Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 323: Multimedia Broadcast Multicast Services Support

    This means that when operators charge the subscribers based on G-CDR the subscribers may be overcharged. This feature is implemented to avoid the overcharging in such cases. This implementation is based on Cisco-specific private extension to GTP messages and/or any co-relation of G-CDRs and S-CDRs. It also does not modify any RANAP messages.

  • Page 324: Session Persistence

    SGSNs to permit inter-SGSN call hand-offs with cellular access networks. The Cisco Session Persistence Solution maintains consistent user identities and application transparency for your mobile subscribers as they roam across bearer access networks. This is accomplished through the integration of Home Agent (HA) and GGSN functionality on the wireless access gateway in the packet network and the use of standards-based protocols such as Mobile IP and Mobile IP NAT Traversal.

  • Page 325: Session Recovery Support

    These pairs are started on physically different Ppacket processing cards to ensure task recovery. Important: For more information on this feature, refer Session Revocery chapter in System Enhanced Feature Configuration Guide. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 326: Traffic Policing And Rate Limiting

    Drop: The offending packet is discarded. Transmit: The offending packet is passed. Lower the IP Precedence: The packet's ToS octet is set to ―0‖, thus downgrading it to Best Effort, prior to passing the packet. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 327

    CORBA interfaces. The server component is fully compatible with the fault-tolerant Sun® Solaris® operating system. The following figure demonstrates various interfaces between the Cisco Web Element Manager and other network components. Cisco ASR 5000 Series Product Overview ▄...

  • Page 328

    GGSN Support in GPRS/UMTS Wireless Data Services ▀ Features and Functionality - Optional Enhanced Feature Software Figure 88. Web Element Manager Network Interfaces Important: For more information on on WEM support, refer WEM Installation and Administration Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 329: How Ggsn Works

    Statically: The APN template can be configured to provide support for MS-requested static IP addresses. Additionally, a static address can be configured in a subscriber‘s profile on an authentication server and allocated upon successful authentication. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 330: Dynamic Ip Address Assignment

    The receipt of a valid private pool name will override the APN‘s use of addresses from public pools. Dynamic Host Control Protocol (DHCP): The system can be configured to use DHCP PDP context address assignment using either of the following mechanisms: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 331: Subscriber Session Call Flows

    GGSN address. The mobile station uses the interface ID assigned by the GGSN during stateless address auto-configuration procedure (e.g., during the initial router advertisement messages). Once this is over, the mobile can select any interface ID for further communication as long as it Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 332: Transparent Session Ip Call Flow

    MS. Transparent Session IP Call Flow The following figure and the text that follows describe the call flow for a successful transparent data session. Figure 89. Transparent IP Session Call Flow ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 333: Non-transparent Ip Session Call Flow

    11. For each accounting message received from the GGSN, the CG responds with an acknowledgement. Non-Transparent IP Session Call Flow The following figure and the text that follows describe the call flow for a successful non-transparent data session. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 334

    2. The Terminal Equipment (TE) aspect of the MS sends AT commands to the Mobile Terminal (MT) aspect of the MS to place it into PPP mode. The Link Control Protocol (LCP is then used to configure the Maximum-Receive Unit size and the authentication protocol (Challenge-Handshake Authentication Protocol (CHAP), Password Authentication ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 335

    SGSN. If the PDP context was the last associated with a particular dynamically assigned PDP Address, the GGSN will re-claim the IP address for use by subsequent PDP contexts. 13. The SGSN returns a Deactivate PDP Context Accept message to the MS. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 336: Network-initiated Session Call Flow

    2. The GGSN may issue a Send Routing Information for GPRS request to the HLR to determine if the MS is reachable. The message includes the MS‘s International Mobile Subscriber Identity (IMSI). ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 337: Ppp Direct Access Call Flow

    De-Activation procedure as described in step 6 through step 11 of the Transparent Session IP Call Flow section of this chapter. PPP Direct Access Call Flow The following figure and the text that follows describe the call flow for a successful PPP Direct Access data session. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 338

    2. The MS sends an Activate PDP Context Request message that is received by an SGSN. The message contains information about the subscriber such as the Network layer Service Access Point Identifier (NSAPI), PDP Type, PDP Address, Access Point Name (APN), Quality of Service (QoS) requested, and PDP configuration options. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 339: Virtual Dialup Access Call Flow

    15. For each accounting message received from the GGSN, the CG responds with an acknowledgement. Virtual Dialup Access Call Flow The following figure and the text that follows describe the call flow for a successful VPN Dialup Access data session. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 340

    3. The SGSN authenticates the request message and sends a Create PDP Context Request message to a GGSN using the GPRS Tunneling Protocol (GTPC, ―C‖ indicates the control signaling aspect of the protocol). The ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 341: Corporate Ip Vpn Connectivity Call Flow

    14. For each accounting message received from the GGSN, the CG responds with an acknowledgement. Corporate IP VPN Connectivity Call Flow The following figure and the text that follows describe the call flow for a successful Corporate IP Connectivity data session. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 342

    2. The MS sends an Activate PDP Context Request message that is received by an SGSN. The message contains information about the subscriber such as the Network layer Service Access Point Identifier (NSAPI), PDP Type, PDP Address, Access Point Name (APN), Quality of Service (QoS) requested, and PDP configuration options. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 343: Mobile Ip Call Flow

    13. For each accounting message received from the GGSN, the CG responds with an acknowledgement. Mobile IP Call Flow The following figure and the text that follows describe the call flow for a successful Corporate IP Connectivity data session. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 344

    GGSN Support in GPRS/UMTS Wireless Data Services ▀ How GGSN Works Figure 95. Mobile IP Call Flow ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 345

    11. The MS sends a Mobile IP Registration request to the GGSN/FA. This message includes either the MS‘s static home address or it can request a temporary address by sending 0.0.0.0 as its home address. Additionally, the request must always include the Network Access Identifier (NAI) in a Mobile-Node-NAI Extension. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 346: Proxy Mobile Ip Call Flows

    Proxy Mobile IP Call Flows The following figure and the text that follows describe a sample successful Proxy Mobile IP session setup call flow in which the MS receives its IP address from the HA. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 347

    GGSN Support in GPRS/UMTS Wireless Data Services How GGSN Works ▀ Figure 96. HA Assigned IP Address Proxy Mobile IP Call Flow 1. The Mobile Station (MS) goes through the process of attaching itself to the GPRS/UMTS network. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 348

    11. The SGSN returns an Activate PDP Context Accept message to the MS. The message includes response to the configuration parameters sent in the initial request. 12. The MT, will respond to the TE‘s IPCP Config-request with an IPCP Config-Ack message. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 349: Ipv6 Stateless Address Autoconfiguration Flows

    The following figure and the text that follows describe a sample IPv6 stateless address auto configuration session setup call flow in which the MS receives its IP address from the RADIUS DHCP server. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 350

    PDP context activation or it generates a new interface identifier. There is no restriction on the value of the interface identifier of the global or site-local unicast address, since the prefix is unique. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 351

    Network and Terminals; Policy and Charging Control signalling flows and QoS parameter mapping; (Release 3GPP TR 29.846 6.0.0 (2004-09) 3rd Generation Partnership Project, Technical Specification Group Core Networks; Multimedia Broadcast/Multicast Service (MBMS); CN1 procedure description (Release 6) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 352: Ietf References

    RFC-1215, A Convention for Defining Traps for use with the SNMP, March 1991 RFC-1224, Techniques for managing asynchronously generated alerts, May 1991 RFC-1256, ICMP Router Discovery Messages, September 1991 RFC-1305, Network Time Protocol (Version 3) Specification, Implementation and Analysis, March 1992 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 353

    RFC-2136, Dynamic Updates in the Domain Name System (DNS UPDATE) RFC-2211, Specification of the Controlled-Load Network Element Service RFC-2246, The Transport Layer Security (TLS) Protocol Version 1.0, January 1999 RFC-2290, Mobile-IPv4 Configuration Option for PPP IPCP, February 1998 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 354

    RFC-2867, RADIUS Accounting Modifications for Tunnel Protocol Support, June 2000 RFC-2868, RADIUS Attributes for Tunnel Protocol Support, June 2000 RFC-2869, RADIUS Extensions, June 2000 RFC-3007, Secure Domain Name System (DNS) Dynamic Update, November 2000 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 355

    Draft, Route Optimization in Mobile IP Draft, Generalized Key Distribution Extensions for Mobile IP Draft, AAA Keys for Mobile IP Object Management Group (OMG) Standards CORBA 2.6 Specification 01-09-35, Object Management Group Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 357: Ha Overview

    ISP network. Regardless, the FA terminates the mobile subscriber‘s PPP session, and then routes data to and from the appropriate HA on behalf of the subscriber. This chapter includes the following sections: Product Specifications Network Deployment Configurations Understanding Mobile IP Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 358

    The following application and line cards are required to support CDMA2000 wireless data services on the system: Hardware Requirements Platforms The Home Agent service operates on the ASR 5000 Series platform. Components The following application and line cards are required to support HA functionality on an ASR 5000 platform: System Management Cards (SMCs): Provides full system control and management of all cards within the ASR 5000 platform.

  • Page 359

    HA Overview Product Specifications ▀ Operating System Requirements The HA is available for all Cisco ASR 5000 platforms running StarOS Release 10.0 or later. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 360

    RFC-1850, OSPF Version 2 Management Information Base, November 1995 RFC-1901, Introduction to Community-based SNMPv2, January 1996 RFC-1902, Structure of Management Information for Version 2 of the Simple Network Management Protocol (SNMPv2), January 1996 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 361

    RFC-2475, An Architecture for Differentiated Services, December 1998 RFC-2484, PPP LCP Internationalization Configuration Option, January 1999 RFC-2486, The Network Access Identifier (NAI), January 1999 RFC-2571, An Architecture for Describing SNMP Management Frameworks, April 1999 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 362

    RFC-3706, A Traffic-Based Method of Detecting Dead Internet Key Exchange (IKE) Peers, February 2004 RFC-3759, Robust Header Compression (ROHC): Terminology and Channel Mapping Examples, April 2004 RFC-3588, Diameter Based Protocol, September 2003 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 363

    HA Overview Supported Standards ▀ RFC-4005, Diameter Network Access Server Application, August 2005 RFC-4006, Diameter Credit-Control Application, August 2005 Draft, Generalized Key Distribution Extensions for Mobile IP Draft, AAA Keys for Mobile IP Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 364: Network Deployment Configurations

    This section describes the primary interfaces used in a CDMA2000 wireless data network deployment. Pi Interfaces The Pi interface provides connectivity between the HA and its corresponding FA. The Pi interface is used to establish a Mobile IP tunnels between the PDSN/FA and HA. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 365

    The economies of scale presented in this configuration example provide for both improved session handling and reduced cost in deploying a CDMA2000 data network. The following figure depicts a sample co-located deployment. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 366: Mobile Ip Tunneling Methods

    Mobile IP, tunnels are used to transport data packets between the FA and HA. The system supports the following tunneling protocols, as defined in the IS-835-A specification and the relevant Request For Comments (RFCs) for Mobile IP: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 367

    Using the Encapsulating Delivery Style, the MN encapsulates all its outgoing packets to the FA. The FA then de- encapsulates and re-tunnels them to the HA, using the FA's care-of address as the entry-point for this new tunnel. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 368

    HA and FA are required to be connected to a private network. This can be especially troublesome in large networks, serving numerous enterprise customers, as each FA would have to be connected to each private network. The following figure shows an example of how triangular routing is performed. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 369

    As described earlier, Mobile IP uses three basic communications protocols; PPP, IP, and Tunneled IP in the form of IP- in-IP or GRE tunnels. The following figure depicts where each of these protocols are used in a basic Mobile IP call. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 370

    MN to a HA. The following table explains each step in detail. Users should keep in mind that steps in the call flow related to the Radio Access Node (RAN) functions are intended to show a high-level overview of radio communications iterations, and as such are outside the scope of packet-based communications presented here. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 371

    HA Overview Network Deployment Configurations ▀ Figure 102. Mobile IP Call Flow Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 372

    The HA sends an Accounting Stop message to the home AAA server. The PDSN/FA sends an Accounting Stop message to the visitor AAA server. The visitor AAA server proxies the accounting data to the home AAA server. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 373: Understanding Mobile Ip

    This capability brings the following benefits: common billing and customer care accessing home 3GPP2 service through Wimax network and vice versa better user experience with seamless session continuity Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 375: Hrpd Serving Gateway Overview

    Product Description Product Specifications Network Deployment(s) Features and Functionality - Base Software Features and Functionality - External Application Support Features and Functionality - Optional Enhanced Feature Software Call Session Procedure Flows Supported Standards Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 376: Ehrpd Network Summary

    The following figure shows the physical relationship of the eHRPD network with the E-UTRAN/EPC. E-UTRAN PCRF S-GW P-GW 3GPP AAA eNodeB eHRPD eAN/ePCF Enterprise HSGW Internet The primary functions of the eHRPD network are: Connectivity to LTE core (EPC) ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 377: Ehrpd Network Components

    AT with the 3GPP EPS architecture and protocols specified in 23.402 (mobility, policy control (PCC), and roaming). The HSGW supports efficient (seamless) inter-technology mobility between LTE and HRPD with the following requirements: Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 378: E-utran Epc Network Components

    Tracking Area (TA) list management PGW and SGW selection MME selection for handovers with MME change SGSN selection for handovers to 2G or 3G 3GPP access networks Terminates interface to HSS (S6a) ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 379: Serving Gateway (s-gw)

    UL and DL service level charging, gating control, and service level rate enforcement DL rate enforcement based on AMBR (Aggregate Max Bit Rate) and based on the accumulated MBRs of the aggregate of SDFs with the same GBR QCI Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 380

    HRPD Serving Gateway Overview ▀ eHRPD Network Summary DHCPv4 and DHCPv6 functions (client, relay and server) LMA for PMIP6 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 381

    An HSGW also establishes, maintains and terminates link layer sessions to UEs. The HSGW functionality provides interworking of the UE with the 3GPP EPS architecture and protocols. This includes support for mobility, policy control and charging (PCC), access authentication, and roaming. The HSGW also manages inter-HSGW handoffs. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 382: Basic Features

    Figure 103. eHRPD Basic Network Topology PCRF OFCS 3GPP S-GW P-GW S1-MME S5/S8 S1-U eNodeB S101 S103 eHRPD HSGW A10/A11 eAN/ePCF Enterprise Internet Basic Features Authentication The HSGW supports the following authentication features: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 383: Quality Of Service

    HRPD Profile ID to QCI Mapping DSCP Marking UE Initiated Dedicated Bearer Resource Establishment QCI to DSCP Mapping For more information on QoS features, refer to the Quality of Service Management Features section in this overview. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 384: Aaa, Policy And Charging

    AAA Server Groups Dynamic Policy and Charging: Gxa Reference Interface Intelligent Traffic Control For more information on policy and charging features, refer to the Network Access and Charging Management Features section in this overview. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 385

    Switch Processor Input/Outputs (SPIOs): Installed in the upper-rear chassis slots directly behind the SMCs, SPIOs provide connectivity for local and remote management, central office (CO) alarms. Up to two SPIOs can be installed; one active, one redundant. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 386

    PSCs. Important: Additional information pertaining to each of the application and line cards required to support LTE/SAE services is located in the Hardware Platform Overview chapter of the Cisco ASR 5000 Series Product Overview Guide. Operating System Requirements The HSGW is available for all Cisco Systems ASR 5000 platforms running StarOS Release 9.0 or later.

  • Page 387: Network Deployment(s)

    The following figure displays a simplified network view of the HSGW in an eHRPD network and how it interconnects with a 3GPP Evolved-UTRAN/Evolved Packet Core network. The interfaces shown in the following graphic are standards-based and are presented for informational purposes only. For information on interfaces supported by Cisco Systems‘ HSGW, refer to the next section,.

  • Page 388: Supported Logical Network Interfaces (reference Points)

    Supported Logical Network Interfaces (Reference Points) The HSGW supports many of the standards-based logical network interfaces or reference points. The graphic below and following text define the supported interfaces. Basic protocol stacks are also included. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 389

    3GPP access point (HSGW) and the PDN Gateway. It is based on Proxy Mobile IP but also supports Client Mobile IPv4 FA mode which allows connectivity to trusted non-3GPP IP access points that do not support PMIP. Supported protocols Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 390

    Transport Layer: TCP, SCTP Network Layer: IPv4, IPv6 Data Link Layer: ARP Physical Layer: Ethernet HSGW 3GPP AAA Diameter Diameter TCP / SCTP TCP / SCTP IPv4 / IPv6 IPv4 / IPv6 L1/L2 L1/L2 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 391

    Transport Layer: TCP, SCTP Network Layer: IPv4, IPv6 Data Link Layer: ARP Physical Layer: Ethernet HSGW PCRF Diameter Diameter TCP / SCTP TCP / SCTP IPv4 / IPv6 IPv4 / IPv6 L1/L2 L1/L2 Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 392

    The S2a interface uses IPv6 for both control and data. During the PDN connection establishment procedures the PDN Gateway allocates the IPv6 Home Network Prefix (HNP) via Proxy Mobile IPv6 signaling to the HSGW. The HSGW ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 393: Mobile Ip Registration Revocation

    (e.g. a session manager task aborts). The system spawns new instances of ―standby mode‖ session and AAA managers for each active control processor (CP) being used. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 394: Non-optimized Inter-hsgw Session Handover

    PDN Address Option. The HSGW initiates PMIPv6 binding update signaling via the S2a interface to the PGW and the PGW responds by sending a PMIPv6 Binding Revocation Indication to the Serving HSGW. Quality of Service Management Features This section describes the following features: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 395

    Policy Charging and Control (PCC) rules from the PCRF. The HSGW maps the provisioned QoS PCC rules and authorized QCI service class to ProfileID's in the RSVP response to the UE. At the final stage the UE Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 396: Network Access And Charging Management Features

    The Rf reference interface enables offline accounting functions on the HSGW in accordance with 3GPP Release 8 specifications. In an LTE application the same reference interface is also supported on the S-GW and PDN Gateway ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 397: Aaa Server Groups

    QoS control, the Bearer Binding Function (BBF) within the HSGW ensures that the service data flow is carried over the bearer with the appropriate QoS service class. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 398

    Provides a lighter weight PPP network control protocol designed to reduce connection set-up latency for delay sensitive multimedia services. Also provides a mechanism to allow user devices in an evolved HRPD network to request one or more PDN connections to an external network. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 399: Multiple Pdn Support

    DNS function. If the DNS function provides a list of P-GW addresses, one P-GW address is selected from this list using the following criteria: • topology matching (if enabled) • P-GW priority (as configured in DNS records) Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 400: Ppp Vsncp

    Service Congestion Policies: Congestion policies are configurable for each service. These policies dictate how services respond when the system detects that a congestion condition threshold has been crossed. Important: For more information on congestion control, refer to the Congestion Control chapter in this guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 401: Ip Access Control Lists

    Cisco Systems' O&M module offers comprehensive management capabilities to the operators and enables them to operate the system more efficiently. There are multiple ways to manage the system either locally or remotely using its out-of-band management interfaces.

  • Page 402

    Can be easily integrated with higher-level network, service, and business layer applications using the Object Management Group's (OMG‘s) Interface Definition Language (IDL) The following figure demonstrates these various element management options and how they can be utilized within the wireless carrier network. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 403

    This simplifies the post-processing of statistical data since it can be formatted to be parsed by external, back-end processors. When used in conjunction with the Web Element Manager, the data can be parsed, archived, and graphed. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 404

    With this capability, the operator can configure threshold on these resources whereby, should the resource depletion cross the configured threshold, a SNMP Trap would be sent. The following thresholding models are supported by the system: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 405

    RADIUS and SSH which are dependent on external elements. ANSI T1.276 compliance in such cases will be the domain of the external element. ANSI T1.276 guidelines will only be implemented for locally configured operators. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 406: Features And Functionality - External Application Support

    CORBA interfaces. The server component is fully compatible with the fault-tolerant Sun® Solaris® operating system. The following figure demonstrates various interfaces between the Web Element Manager and other network components. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 407

    License Keys: A license key is required in order to use the Web Element Manager application. Please contact your local Sales or Support representative for more information. Important: For more information on WEM support, refer to the WEM Installation and Administration Guide. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 408

    IP Security provides a mechanism for establishing secure tunnels from mobile subscribers to pre-defined endpoints (i.e. enterprise or home networks) in accordance with the following standards: RFC 2401, Security Architecture for the Internet Protocol RFC 2402, IP Authentication Header (AH) ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 409: Traffic Policing And Shaping

    Lower the IP Precedence: The packet‘s ToS bit is set to ―0‖, thus downgrading it to Best Effort, prior to passing the packet. Note that if the packet‘s ToS bit was already set to ―0‖, this action is equivalent to ―Transmit‖. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 410: Traffic Shaping

    Data for existing Mobile IP sessions is unaffected. Important: For more information on IPSec support, refer to the IP Security chapter in the System Enhanced Feature Configuration Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 411: Call/session Procedure Flows

    PDN Connection Release Initiated by HSGW PDN Connection Release Initiated by P-GW Initial Attach with IPv6/IPv4 Access This section describes the procedure of initial attach and session establishment for a subscriber (UE). Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 412

    Initial Attach with IPv6/IPv4 Access Call Flow eAN/ePCF HSGW (MAG) P-GW (LMA) 3GPP AAA Session Setup A11 RRQ (IMSI) PPP-EAP (IMSI-NAI) EAP (IMSI-NAI) PPP-VSNPC-Conf-Req PPP-VSNPC-Conf-Ack PPP-VSNPC-Conf-Req (PDNID) PPP-VSNPC-Conf-Ack (PDNID) RA (prefix = assigned HNP) ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 413: Pmipv6 Lifetime Extension Without Handover

    The HSGW sends a Router Advertisement (RA) message with the assigned Prefix. PMIPv6 Lifetime Extension without Handover This section describes the procedure of a session registration lifetime extension by the P-GW without the occurrence of a handover. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 414: Pdn Connection Release Initiated By Ue

    The P-GW responds with a Proxy Binding Acknowledgement (PBA) with the following attributes: Lifetime, MNID, APN. PDN Connection Release Initiated by UE This section describes the procedure of a session release by the UE. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 415

    The P-GW looks up the Binding Cache Entry (BCE) based on the HNP, deletes the binding, and responds to the HSGW with a Deregistration PBA with the same attributes (Lifetime=0, MNID, APN, ATT=HRPD, HNP). The HSGW optionally sends a Router Advertisement (RA) with assigned HNP and prefix lifetime=0. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 416: Pdn Connection Release Initiated By Hsgw

    The UE is attached to the EPC and has a PDN connection with the P-GW for PDN-ID=x and APN with assigned HNP. The HSGW MAG service triggers a disconnect of the PDN connection for PDNID=x. The HSGW sends a PPP VSNCP-Term-Req with PDNID=x to the UE. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 417: Pdn Connection Release Initiated By P-gw

    The HSGW optionally sends a Router Advertisement (RA) with assigned HNP and prefix lifetime=0. PDN Connection Release Initiated by P-GW This section describes the procedure of a session release by the P-GW. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 418

    The HSGW MAG service triggers a disconnect of the UE PDN connection for PDNID=x. The HSGW sends a PPP VSNCP-Term-Req with PDNID=x to the UE. The UE acknowledges the receipt of the request with a VSNCP-Term-Ack (PDNID=x). ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 419

    HRPD Serving Gateway Overview Call/Session Procedure Flows ▀ Step Description The HSGW optionally sends a Router Advertisement (RA) with assigned HNP and prefix lifetime=0. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 420

    HRPD IOS), March 2009. A.S0017-D v1.0: Interoperability Specification (IOS) for cdma2000 Access Network Interfaces - Part 7 (A10 and A11 Interfaces), June, 2007. X.S0011-D v1.0: cdma2000 Wireless IP Network Standard, March 2006. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 421

    Internet-Draft (draft arkko-eap-aka-kdf): Improved Extensible Authentication Protocol Method for 3rd Generation Authentication and Key Agreement (EAP-AKA) Internet-Draft (draft-muhanna-mext-binding-revocation-01): Binding Revocation for IPv6 Mobility Object Management Group (OMG) Standards CORBA 2.6 Specification 01-09-35, Object Management Group Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 423: Ip Services Gateway Overview

    Chapter 13 IP Services Gateway Overview This chapter provides an overview of the IP Services Gateway (IPSG). This chapter covers the following topics: Introduction Service Modes In-line Services Enhanced Feature Support Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 424

    The IPSG allows the carrier to roll out advanced services without requiring a replacement of the HA, PDSN, GGSN, or other access gateways and eliminates the need to add multiple servers to support additional services. Important: The IPSG is a license-dependent feature. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 425: Service Modes

    Figure 113. IPSG Message/Data Flow (RADIUS Server Mode) RADIUS Server Acct Resp Acct Req Acct Req Acct Resp Mobile Internet Station IP Data IP Data Access Gateway GGSN/PDSN/HA) IPSG Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 426: Radius Proxy

    Information is not extracted from the RADIUS accounting responses so they are sent directly to the access gateway by the RADIUS Server, but can also be sent back through the IPSG. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 427

    IP Services Gateway Overview Service Modes ▀ Figure 115. IPSG Message/Data Flow (RADIUS Snoop Mode) RADIUS Server Acct Resp Acct Req Acct Req Mobile Internet Station IP Data IP Data Access Gateway (GGSN/PDSN/HA) IPSG Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 428: In-line Services

    Peer-to-Peer is an in-line service feature that detects peer-to-peer protocols in real time and applies actions such as permitting, blocking, charging, bandwidth control, and TOS marking. For more information, refer to the Peer-to-Peer Detection Administration Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 429: Enhanced Feature Support

    The following figure shows the interface and basic message flow of the Gx interface. Figure 116. PSG Message/Data Flow (RADIUS Server Mode - IMS Auth Service) IPSG also supports IMS Authorization Service Session Recovery with the following limitations: Active calls only Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 430: Content Service Steering

    For more information on this feature, please refer to the Session Recovery chapter in the System Enhanced Feature Configuration Guide. Inter-Chassis Session Recovery is not supported. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 431: Packet Data Interworking Function Overview

    This chapter discusses the features and functions of Packet Data Interworking Function (PDIF) software. It includes the following topics: Product Description Product Specifications Interfaces Sample Deployments Features and Functionality - Base Software Features and Functionality - Licensed Enhanced Feature Support Supported Standards and RFCs Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 432

    Designed for use exclusively on the Cisco® ASR 5000 Chassis, the Packet Data Interworking Function (PDIF) is a network function based on the 3GPP2 X.S0028-200 standard defining cdma2000 Packet Data Services over an 802.11 WLAN.

  • Page 433

    RCCs utilize 5 Gbps serial links to ensure connectivity between Ethernet 10/100 or Ethernet 1000 line cards/QGLCs and every PSC in the system for redundancy. Two RCCs can be installed to provide redundancy for line cards and PSCs. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 434: Licenses

    Hardware Installation and Administration Guide. Licenses The PDIF is a licensed product with a session counting license, which can be purchased in 1,000 or 10,000 session increments. For information about PDIF licenses, contact your sales representative. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 435: Interfaces

    When used in a Proxy-MIP network using multiple authentication, RADIUS is used with the AAA servers to authenticate the subscriber using the GTC/MD5 authentication methods. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 436

    HA through this interface. This interface is not used for simple IP subscribers. 5. The simple IP interface: This interface provides internet access for simple IP users. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 437: Sample Deployments

    CDMA voice and data networks over the Radio Access Network (RAN). Over the RAN, the DMH implements circuit-switched voice and standard mobile IP (MIP) data over EVDO Rev. A, using the services of a PDSN and an HA. Figure 118. PDIF/FA Mobile IP Implementation Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 438: Mobile Ip / Native Simple Ip Call Minimum Requirements

    • The AAA server does not return the VSA SN1-PDIF-MIP-Required during MS user authentication. Mobile IP Session Setup over IPSec The following diagram and table describe the mobile IP session setup over IPSec. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 439

    Table 64. Mobile IP over IPSec Call Flow Description Step Description After the MS learns the IP address of the PDIF, the MS and the PDIF/FA exchange IKE_SA_INIT messages to negotiate an acceptable cryptographic suite. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 440

    Although the MS requested a DNS address by including only a single payload option for INTERNAL_IP4_DNS, the PDIF/FA may include both a primary DNS address and a secondary DNS address if one is available. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 441: Simple Ip And Simple Ip Fallback

    In addition, the PDIF/FA supports Simple IP fallback if the MS abandons mobile IP operations due to not being able to successfully finish mobile IP registration after the first TIA-based IPSec tunnel is established. These scenarios are described below. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 442

    Under these circumstances, the PDIF/FA opens the IPSec tunnel to data traffic and forwards any packets from the MS to the Internet directly. Any received packets from the Internet will be forwarded to the MS. A summary of this process from the point the TIA is assigned is given below: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 443

    The session setup timer expires and the PDIF goes into fallback mode. The PDIF sends a RADIUS Accounting Start message. The AAA server sends a RADIUS Accounting Response message. The PDIF updates the HSS with the TIA address of the subscriber. The HSS sends an acknowledgement to the PDIF. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 444: Simple Ip Fallback Minimum Requirements

    On supported networks, the PDIF/FA only assumes simple IP fallback mode if mobile IP is attempted but fails when the MS tries to use mobile IP as the first choice but encounters a problem such as the HA not responding. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 445

    The PDIF supports the Packet Services Card 2 (PSC2). The PSC2 is the next-generation packet forwarding card for the ASR 5000. The PSC2 provides increased aggregate throughput and performance, and a higher number of subscriber sessions. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 446: Duplicate Session Detection

    Unsupported Critical Payload Handling This feature provides a mechanism whereby the PDIF ignores all unsupported critical payloads and continues processing as if those payloads were never received. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 447: Registration Revocation

    IPSec sessions exceeds the reasonable limit (or the trigger point with other detection mechanisms), the PDIF invokes the cookie challenge payload mechanism to insure that only legitimate subscribers are initiating the IKEv2 tunnel request, and not a spoofed attack. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 448: Cookie Challenge Statistics

    If the cookie challenge is met, setup continues as normal with an IKE_SA_INIT response message. Cookie Challenge Statistics Cookie challenge statistics appear in the outputs for the following commands: ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 449: Radius Accounting

    A RADIUS accounting START message is generated when the session is established. RADIUS INTERIM accounting messages are generated at configured intervals in a call. A RADIUS STOP accounting message is sent to the AAA server when the call ends. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 450: Special Radius Attribute Handling

    Service-Type. Cisco specifies a Service Type of ―framed‖ for PDIF messages. Controlled through the RADIUS dictionary. Framed-Protocol. There is no attribute value defined for IPSec. Cisco specifies a value of ―PPP‖ for PDIF messages. Controlled through the RADIUS dictionary. BSID. Base Station ID is used in billing for calculating time-zone offsets. There is a dummy value set in this attribute for RADIUS messages from the PDIF.

  • Page 451: Mobile Ip And Proxy Mobile Ip Attributes

    Supports configuration of static IPv6 neighbors. Adds link-local addresses to Ethernet type interfaces automatically. Performs Unsolicited Neighbor Advertisement on line card switchover. Responds to neighbor discovery requests for the PDIF IPv6 addresses. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 452: Ipv6 Static Routing

    If both are configured, sessions with an idle- time greater than the idle-time threshold and a connect-time greater than the connect-time-threshold would be selected for disconnection. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 453: Sctp (stream Control Transmission Protocol) Support

    Provides a mechanism whereby the DNS address present in configurations will be sent to the MS in the CP payload only if the MS requests one. The address 0.0.0.0 is treated as invalid and not included. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 454

    ▀ Features and Functionality - Base Software Important: For more information including full definitions for each of the trigger behaviors, see Configuring Crypto Template in Configuration, and also see the Command Line Interface Reference. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 455: Features And Functionality - Licensed Enhanced Feature Support

    Simple IP Proxy Mobile IP Multiple Authentication in a Proxy Mobile IP Network RADIUS Authentication Termination Session Recovery Intelligent Packet Monitoring System (IPMS) Multiple Traffic Selectors Selective Diameter Profile Update Request Control Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 456: Pdif Service

    IKEv2 control packets for establishing IKEv2 PDIF sessions. There is a limit to the number of CHILD SAs supported by each PDIF service. Traditionally, other Cisco services limit this to the number of subscriber sessions. The PDIF treats this as the number of CHILD SAs. This means that if each subscriber establishes only a single CHILD SA, the limit will be equal to the number of subscriber sessions.

  • Page 457: Lawful Intercept

    A failure does not necessarily mean a summary termination of a call. The following configuration: configures result codes 5001, 5002, 5004 and 5005 to mean the session could continue regardless of the error, Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 458: Online Upgrade

    The PDIF supports online software upgrades with a single software version difference between two chassis. For example, upgrading from Release 8.1 to 8.2 is supported. Support for a chassis running greater differences in software versions would be qualified by Cisco on an as-needed basis. Important: Refer to the Maintenance chapter in this guide for information on how to perform the upgrade.

  • Page 459

    When the active chassis switches over, the standby chassis becomes active and enables all SRP-activated IP interfaces and IP pools so that it can function as a mirror image of the former primary PDIF. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 460: Operation Over A Common Ipv4 Network

    SRP virtual MAC address and the currently active chassis responds to ARP requests for the shared loopback IP address. This scheme allows fast standby-to-active transitions, since the SRP virtual MAC address does not change during the switchover. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 461: Operation Over A Common Ipv6 Network

    PDIF immediately creates new SCTP connections with the HSS/SLF. In this reestablishment process, the backup chassis sends an Unsolicited Neighbor Advertisement message to the adjacent switch, which is then used to overwrite its port MAC address table as shown in the diagram below. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 462: Other Devices

    Only the physical port in the switch changes due to the switchover operation by G-ARP, and the rest of the ASR 5000 information (IP address and MAC address) remains the same. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 463

    To ensure task recovery, these pairs are started on physically different PSCs. Important: For more information on session recovery support, refer to Session Recovery in the System Enhanced Feature Configuration Guide. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 464: Ipsec/ikev2

    IP registration process might fail under certain situations. If the mobile IP registration failures are due to HA reachability issues or any authentication problems, the MS should still be ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 465: Simple Ip

    Important: Refer to Proxy Mobile-IP in the System Administration Guide for more information. Multiple Authentication in a Proxy Mobile IP Network Multiple authentication requires authenticating both the device and the subscriber. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 466: Radius Authentication

    IMSI number (which is the calling station ID). Once the AAA server returns an Access-Accept message, optional attributes such as Framed-IP-Address and HA address are expected for the subsequent session setup processing. The ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 467: First-phase Authentication

    EAP. This could be the same AAA server as those deployed in any existing EV-DO network. In this case, EAP authentication happens between the MS and the PDIF. The protocol stack between the PDIF and the AAA server is RADIUS over UDP over IPv4. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 468: Termination

    Datapath that includes daughter cards, daughter card managers, and the NPU. The session recovery feature is disabled by default on the system, even when the feature use key is present. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 469: Intelligent Packet Monitoring System (ipms)

    During traffic selector negotiation, each endpoint sends two traffic selector payloads in the messages exchanged during the creation of an IPSec SA. The first traffic selector payload is known as the TSi (Traffic Selector-initiator) and the Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 470: Selective Diameter Profile Update Request Control

    FMC-Type value to voice, the PDIF and the HSS exchange PUR and PUA messages. When the AAA server sets the FMC-Type value to data, the PDIF and the HSS do not exchange PUR and PUA messages. This feature is enabled by default and requires no configuration. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 471: Supported Standards And Rfcs

    RFC 2401 (November 1998): ―Security Architecture for the Internet Protocol‖ RFC 2403 (November 1998): ―The Use of HMAC-MD5-96 within ESP and AH‖ RFC 2404 (November 1998): ―The Use of HMAC-SHA-1-96 within ESP and AH‖ Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 472

    RFC 4718 (October 2006): ―IKEv2 Clarifications and Implementation Guidelines‖ RFC 4835 (April 2007): ―Cryptographic Algorithm Implementation RFC Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)‖ Object Management Group (OMG) Standards CORBA 2.6 Specification 01-09-35, Object Management Group ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 473: Pdg/ttg Overview

    This chapter contains general overview information about the Packet Data Gateway/Tunnel Termination Gateway (PDG/TTG), including: Product Description Product Specifications Network Deployment(s) and Interfaces Features and Functionality Features Not Supported in This Release How the PDG/TTG Works Supported Standards Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 474

    ▀ Product Description Product Description The Cisco® ASR 5000 Chassis provides 3GPP mobile operators with a flexible solution that functions as a Packet Data Gateway/Tunnel Termination Gateway (PDG/TTG) in 3G UMTS wireless data networks. The PDG/TTG consists of new software for the ASR 5000.

  • Page 475

    Switch Processor Input/Outputs (SPIOs): Installed in the upper-rear chassis slots directly behind the SMCs, SPIOs provide connectivity for local and remote management and for central office (CO) alarms. Up to two SPIOs can be installed; one active, one redundant. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 476

    GPRS/UMTS wireless data services is located in the Hardware Platform Overview chapter of the Product Overview Guide. Operating System Requirements TTG functionality is available for the ASR 5000 running StarOS Release 9.0 or later. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 477: Network Deployment(s) And Interfaces

    The SGTP service enables the TTG to use GTP over the Gn' interface to carry packet data between itself and the GGSN. The GGSN establishes a corresponding connection over the Gi reference point toward the PDN/Internet. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 478: Pdg/ttg Logical Network Interfaces (reference Points)

    GTP Echo Gi (TTG The Gi reference point is located between the GGSN and the Packet Data Network (PDN) for WLAN IP access mode only) when the PDG/TTG is in TTG mode. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 479: Features And Functionality

    Configure the IPv4 address for the service: This is the IP address of the TTG to which the UEs in the WLAN attempt to connect, sending IKEv2 messages to this address to establish IPSec tunnels. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 480: Ttg Mode

    IKEv2 Diffie-Hellman groups: 1, 2, 5, and 14 IPSec ESP (Encapsulating Security Payload) encryption: AES-CBC with 128 bits, AES-CBC with 256 bits, 3DES-CBC, and DES-CBC IPSec integrity: HMAC-SHA1-96, HMAC-MD5 IKEv2 and IPSec rekeying ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 481: Multiple Digital Certificate Selection Based On Apn

    The total number of tokens can not be greater than the burst size. If the total number of tokens is greater than the burst size, the number is set to equal the burst size. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 482: Dscp Marking For Ipsec Access

    The following matrix can be used to determine the DSCP markings used based on the configured traffic class and Allocation/Retention Priority: Table 69. Default DSCP Value Matrix Allocation Priority Traffic Handling Priority af21 af21 af21 ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 483: Wlan Access Control

    IPSec SA for a subscriber session after it creates the GTP tunnel to the GGSN over the Gn' interface. The TTG sends an accounting START message to the AAA server after successful completion of both GTP tunnel creation on the Gn' interface and IPsec SA creation on the Wu interface. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 484: Eap Fast Re-authentication Support

    EAP server. Multiple APN Support for IPSec Access The PDG/TTG supports multiple wireless APNs for the same UE (the same IMSI) for use during subscriber authorization. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 485

    The IPSec session recovery feature is a licensed feature on the PDG/TTG. It provides seamless failover and nearly instantaneous reconstruction of subscriber session information in the event of a hardware or software fault within the Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 486: Congestion Control

    Service Congestion Policies: Congestion policies are configurable for each service. These policies dictate how services respond when the system detects that a congestion condition threshold has been crossed. Important: For more information on congestion control, refer to the System Enhanced Feature Configuration Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 487: Bulk Statistics

    Thresholding on the system is used to monitor the system for conditions that could potentially cause errors or outages. Typically, these conditions are temporary (i.e., high CPU utilization or packet collisions on a network) and are quickly Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 488

    Outstanding alarms are reported to the system‘s alarm subsystem and are viewable through the Alarm Management menu in the Web Element Manager. Important: For more information on threshold crossing alert configuration, refer to the Thresholding Configuration Guide. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 489: Features Not Supported In This Release

    PDG/TTG Overview Features Not Supported in This Release ▀ Features Not Supported in This Release The following features are not supported in this PDG/TTG software release: Link aggregation IPv6 MPLS Firewall Peer-to-Peer Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 490: How The Pdg/ttg Works

    TTG Connection Establishment The figure below shows the message flow during TTG connection establishment. The table that follows the figure describes each step in the message flow. Figure 128. TTG Connection Establishment ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 491

    After receiving the IP address of the TTG from the WiFi access point, the UE initiates an IKEv2/IPSec tunnel by sending an IKE_SA_INIT Request to the TTG. The UE includes the SA, KE, Ni, and NAT-Detection Notify payloads in the IKEv2 exchange. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 492

    The TTG sends a DER (or RADIUS AR) message to the AAA server. This DER message contains the EAP-Payload AVP with an EAP-AKA challenge or EAP-SIM challenge response and challenge received from the UE. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 493

    The TTG sends an IKE_AUTH Response with the AUTH payload computed from the MSK. The TTG assigns the IP address received from the GGSN to the UE in the configuration payload along with DNS addresses and other parameters. The TTG session/IPSec SA is fully established and ready for data transfer. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 494

    System Aspects; Telecommunication management; Charging management; Wireless Local Area Network (WLAN) charging (Release 7)‖. 3GPP TS 33.234 (V6.9.0): ―3rd Generation Partnership Project; Technical Specification Group Service and System Aspects; 3G Security; Wireless Local Area Network (WLAN) interworking security (Release 6)‖. ▄ Cisco ASR 5000 Series Product Overview OL-22938-02...

  • Page 495

    RFC 4478 (April 2006): ―Repeated Authentication in Internet Key Exchange (IKEv2) Protocol‖. RFC 4718 (October 2006): ―IKEv2 Clarifications and Implementation Guidelines‖. RFC 4835 (April 2007): ―Cryptographic Algorithm Implementation RFC Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)‖. Cisco ASR 5000 Series Product Overview ▄ OL-22938-02...

  • Page 497: Pdn Gateway Overview

    Chapter 16 PDN Gateway Overview The Cisco® ASR 5000 provides wireless carriers with a flexible solution that functions as Packet Data Network (PDN) Gateway (P-GW) in 3GPP2 evolved High Rate Packet Data (eHRPD) and Long Term Evolution-System Architecture Evolution (LTE-SAE) wireless data networks.

  • Page 498

    Core (EPC). The EPC is a high-bandwidth, low-latency packet network also know as System Architecture Evolution (SAE), supporting the Long Term Evolution Radio Access Network (LTE RAN). The following figure shows the relationship of the eHRPD network wi