Cisco ASR1002 - ASR 1002 Router Configuration Manual
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Cisco ASR1002 - ASR 1002 Router Configuration Manual

Network positioning guide
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Cisco Network Positioning System Configuration Guide for the
Cisco ASR 1000 Router, Release 1.0
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 527-0883
Text Part Number: OL-25794-01

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Summary of Contents for Cisco ASR1002 - ASR 1002 Router

  • Page 1 Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883 Text Part Number: OL-25794-01...
  • Page 2 HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. http:// Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks .

  • Page 3: Table Of Contents

    C H A P T E R 5 Prerequisites for the Performance Manager Performance Manager Limitations Information About the Performance Manager Extensible Messaging and Presence Protocol Client Registration Performance Manager Message Processing Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...
  • Page 4 Configuring BGP for Proximity Calculations Configuring IS-IS for Proximity Calculations NPS Configuration Examples C H A P T E R 7 CE-Facing PE Configuration Example DCE-Facing PE Configuration: Example Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 5: P R E F A C E Preface

    Obtaining Documentation and Submitting a Service Request For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at: http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html...
  • Page 6 Preface Obtaining Documentation and Submitting a Service Request Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 7: General Configuration Of The Network Positioning System

    Configuring Basic Networking on a PE To enable the XMPP server to access each CE-facing and DC-facing PE in the system, you must perform this configuration: Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...
  • Page 8 Example: server(config-if)# ip address 172.17.0.3 255.255.255.0 Step 6 no shutdown Enables the interface. Example: server(config-if)# no shutdown What to Do Next Configure the XMPP server. Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 9: Configuring The Xmpp Server

    DETAILED STEPS Command or Action Purpose Step 1 jabber server Enters Jabber configuration mode to configure the XMPP server on the router. Example: switch(config)# jabber server Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...
  • Page 10 Specifies the notifications to display. Possible options are: • debug Example: • error switch(config-jabber)# log-level info • info • verbose • warn What to Do Next Configure the SRE. Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 11: Configuring Service Placement

    C H A P T E R Configuring Service Placement In Cisco NPS, the Service Resolution Engine (SRE) performs service placement recommendations. In other words, this is the selection of a data center from a number of data centers that support a requested service.

  • Page 12: Service Resolution Engine Ranking Requirements

    A user can select a combination of different performance attributes and assign different ranking priorities to them. Service Resolution Engine Configuration Perform this configuration on a provider edge router (PE) to enable the service resolution engine (SRE). Cisco recommends running the SRE on a DCE-facing PE in your network. SUMMARY STEPS 1.

  • Page 13: Service Resolution Configuration Examples

    1 to 3600. The default is 30 seconds. Example: switch(config)# service-resolution service-request timeout 90 Service Resolution Configuration Examples show service-resolution dc command: example SR-1# show service-resolution dc Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 14: Show Service-Resolution Service-Requests Command: Example

    PENDING Message: Waiting for ranking processing to complete Detail: Service-Request: 00001000 vdc_id: 7890 user_handle: handle3 URI: https://sr.foobar.net/sr/serv_req_00001000 state: ERROR Message: Performance Manager Error Detail: Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 15: Configuring The Capability Directory

    Specifies to the CD process how to connect to the XMPP server. Example: switch(config)# xmpp server type cd host ccnsr.com What to Do Next Configure the PFM. Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...
  • Page 16 Configuring the Capability Directory Configuring the Capability Directory Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 17: Configuring Performance Metrics To Select A Service

    (SRE). The PFS evaluates performance data such as: • Delay—end-to-end packet delay over a period of time Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 18: Extensible Messaging And Presence Protocol Client Registration

    XMPP server (in other words, have a Jabber ID [JID]) before a connection can be established. The information in peer notifications includes: Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 19: Performance Manager Message Processing

    CE device facing a PE device. • Jabber ID—ID of the XMPP client. Performance Manager Message Processing The SRE starts a Cisco NPS message flow. The message flow is processed sequentially by the performance subsystem (PFM and PFA) and PDP. Figure 2: PFM Message Flow Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0...

  • Page 20: How To Configure The Performance Manager

    (config)# pfm local-host 10.4.1.1 Step 3 pfm dce-facing Enables the performance manager running in a DCE-facing Example: (config)# pfm dce-facing What to Do Next Configure all CE-facing PEs. Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 21: Configuring The Performance Manager On A Ce-Facing Pe

    Step 2 pfm local-host ip-address Specifies the IP address that the external world uses to reach the PFM. Example: switch(config)# pfm local-host 10.1.0.2 Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...
  • Page 22 Configures the IP address to use for a WSMA connection to the CE router hosting the PFR and master collector (MC). Example: switch(config-wsma)# host 10.1.0.2 username xyz password pass Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...
  • Page 23 This example shows sample output from the show pfm command: switch# show pfm Entity-ID PFM-ID Active-PDP-Address CE-Table PFM-26.0.0.2-1 192.168.1.1 cet123 PFM-26.0.0.2-5 10.74.5.32 What to Do Next Configure any DC-facing PEs. Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...
  • Page 24 Configuring Performance Metrics to Select a Service Configuring the Performance Manager on a CE-Facing PE Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 25: Configuring The Routing Protocols Used For Network Proximity

    How to Configure Routing Protocols, page 21 Information About Network Routing Proximity The proximity engine (PXE) in Cisco NPS uses network routing proximity to select a data center based on its topological distance and path distance from the client. The PXE gathers topology and path information from both IGP (IS-IS, OSPF) and EGP (BGP).

  • Page 26: Pxe Data Elements

    • PTL—Proximity Target List. This is a collection (ranked or unranked) of PTAs. The conventional value for a PSA or PTA is an IP address/mask combination. Cisco NPS, PXE is expected to process IP addresses; therefore, outside of PXE, any other form of identifier must be converted to an IP address/mask.

  • Page 27: How To Configure Routing Protocols

    BGP is the de-facto EGP standard and the basic algorithm for BGP proximity relies on the AS_PATH attribute. The computation is very similar to the IGP version, except that path costs are used rather than link costs. Cisco NPS does not support inter-AS topologies for proximity calculations.

  • Page 28: Configuring Bgp For Proximity Calculations

    Configuring BGP for Proximity Calculations Use this task to configure the Border Gateway Protocol (BGP) routing process for proximity calculations performed by the proximity engine. Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...
  • Page 29 The default is 180. The range is from 3 to 65535. The hold time must be more than twice the keepalive interval. Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 30: Configuring Is-Is For Proximity Calculations

    5. is-type {level-1 | level-2 | level -1-2} 6. authentication-check {level-1 | level-2} 7. authentication-type {md5 | text} {level-1 | level-2} 8. authentication key-chain name-of-chain {level-1 | level-2} Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...
  • Page 31 Step 7 authentication-type {md5 | text} Specifies the type of authentication to be used for IS-IS. {level-1 | level-2} • md5—Message digest 5 authentication. Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...
  • Page 32 • name-of-chain—Identifies a group of keys that are valid. • level-1—Enables authentication for Level 1 packets only. Example: • level-2—Enables authentication for Level 2 packets only. (config-router)# authentication key-chain abc level-2 Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 33: Nps Configuration Examples

    10.2.1.1 pfr-mc ce-address ipv4 10.2.2.1 ce-table table10 ce-address ipv4 10.3.1.1 pfr-mc ce-address ipv4 10.3.2.1 ce-address ipv4 10.3.3.1 wsma agent host 10.1.0.2 username cisco password cisco Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

  • Page 34: Dce-Facing Pe Configuration: Example

    10.4.1.1 service-resolution dc dc3 pe-addr 10.4.2.1 service-resolution dc dc4 pe-addr 10.4.3.1 service-resolution dc dc5 pe-addr 10.4.4.1 service-resolution dc dc6 pe-addr 10.4.5.1 service-resolution service-request timeout 3600 Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 OL-25794-01...

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Asr 1000 series

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