Zte ZXR10 8900E series Product Description
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Zte ZXR10 8900E series Product Description

Zxr10 8900e series core switch
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  • Page 1 Operator Logo ZXR10 8900E series Core Switch Product Description...
  • Page 3 ZTE CONFIDENTIAL: This document contains proprietary information of ZTE and is not to be disclosed or used without the prior written permission of ZTE. Due to update and improvement of ZTE products and technologies, information in this document is subjected to change without notice.

  • Page 4: Table Of Contents

    ZXR10 8900E series Core Switch Product Description TABLE OF CONTENTS Overview ......................1 Highlights ......................3 Super Big capacity/ High Density Interfaces ............. 3 VSC Construct Solid Cloud Core ..............3 Distributed Module Operating System ROS 5.0 ..........3 Multi-service Bearing Capabilities ..............4 Comprehensive IPv6 Features .................
  • Page 5 ZXR10 8900E series Core Switch Product Description 3.7.5 L3 route protection ..................52 3.7.6 VPN Protection ....................53 3.7.7 FRR Protection ....................56 Security and Authentication ................60 3.8.1 ACL ........................ 60 3.8.2 Device Authentication ..................61 3.8.3 Access Security ....................63 3.8.4...
  • Page 6 ZXR10 8900E series Core Switch Product Description Operation and Maintenance ............... 113 NetNumen U31 Unified Network Management Platform ....... 113 7.1.1 Network Management Networking Mode ............113 7.1.2 NetNumen U31 Network Management System ..........114 Maintenance and Management ..............116 7.2.1...
  • Page 7 ZXR10 8900E series Core Switch Product Description FIGURES Figure 1-1 ZXR10 8900E series product appearance ............2 Figure 3-1 MC-ELAM structure................... 13 Figure 3-2 L2TP Networking ..................... 16 Figure 3-3 Architecture of MCE ..................25 Figure 3-4 MPLS working principle ..................27 Figure 3-5 MPLS header structure ..................
  • Page 8 ZXR10 8900E series Core Switch Product Description Figure 4-4 ZXR10 8908E structure ..................74 Figure 4-5 ZXR10 8905E appearance ................75 Figure 4-6 ZXR10 8905E structure ..................75 Figure 4-7 ZXR10 8902E appearance ................76 Figure 4-8 ZXR10 8902E structure ..................76 Figure 4-9 ZXR10 8912E/8908E/8905E hardware system architecture ......
  • Page 9 ZXR10 8900E series Core Switch Product Description Figure 6-5 Application in IP RAN ..................112 TABLES Table 4-1 Main control board panel interface features ............86 Table 4-2 Main control board panel button function description .......... 87 Table 4-3 Main control board panel indicator function description ........87 Table 4-4 8900E interface board type ................

  • Page 11: Overview

    ZXR10 8900E series Core Switch Product Description Overview ZXR10 8900E switch is ZTE’s new generation enhanced core switch. With years of experience in telecom network, ZTE designs and develops 8900E which has ultra-large system capacity, ultra-high port density and ultra-strong service functions. It can address immediate needs of metro network, data center network, campus network and enterprise network for network core equipment.

  • Page 12: Figure 1-1 Zxr10 8900E Series Product Appearance

    ZXR10 8900E series Core Switch Product Description Figure 1-1 ZXR10 8900E series product appearance © 2013ZTE CORPORATION. All rights reserved. ZTE Confidential Proprietary...

  • Page 13: Highlights

    ZXR10 8900E series Core Switch Product Description Highlights Super Big capacity/ High Density Interfaces With distributed modular design, non-blocking switching architecture, brand new big-bandwidth fabric, ZXR10 8900E is an advanced core switch in the industry. Each single slot of ZXR10 8900E can provide maximally 48*10GE interfaces or 8*40GE interfaces.

  • Page 14: Multi-Service Bearing Capabilities

    ZXR10 8900E series Core Switch Product Description Multi-service Bearing Capabilities ZXR10 8900E supports rich features, including full L2/L3 features, multicast, MPLS L2/L3 VPN, etc. ZXR10 8900E supports complete L2/L3 multicast technologies, including administratively scoped multicast, MVR, IGMP Snooping, Filtering, Proxy, Fast Leave, IGMP,PIM-DM/SM, PIM-SSM, DVMRP and MSDP.

  • Page 15: Environment-Friendly Innovations

    ZXR10 8900E series Core Switch Product Description Environment-friendly Innovations  ZXR10 8900E supports multiple environmental-friendly innovations, including centralized power management, 5 level intelligent fan speed adjustment. All these environmental friendly designs help cut the power consumption.  ZXR10 8900E supports dying gasp, in case there is a power failure, 8900E can still send out an alarm to the network OAM center, to inform about the reason of the network break down.

  • Page 16: Function Introduction

    ZXR10 8900E series Core Switch Product Description Function introduction L2 function 3.1.1 Basic Ethernet features 3.1.1.1 MAC address management As all forwarding tables of ZXR10 8900E are closely associated with MAC addresses, MAC management is the most basic and most important module of Ethernet switch. It...

  • Page 17: Vlan And Relative Features

    ZXR10 8900E series Core Switch Product Description mirroring group. It supports port-based mirroring as well as flow-based and ACL-based one-to-many, many-to-one, and many-to-many mirroring. ZXR10 8900E can perform port mirroring in the same equipment, and remote port mirroring in RSPAN and ERSPAN. For RSPAN, mirroring port and mirrored port may be in different switches.
  • Page 18 ZXR10 8900E series Core Switch Product Description Each VLAN is logically like one independent LAN. All frame traffic in one VLAN is limited to the VLAN. Cross-VLAN access is made through L3 forwarding which will improve network performance and reduce the entire traffic in physical LAN.
  • Page 19 ZXR10 8900E series Core Switch Product Description 3.1.2.2 VLAN Translation VLAN translation is an extension of VLAN function. If a port of the switch starts VLAN translation, the data stream from the port must be tagged packet. VLAN translation uses PORT plus VLAN ID in tagged packet as the index to search in MAC –...
  • Page 20 ZXR10 8900E series Core Switch Product Description 3.1.2.3 Super VLAN Super VLAN can make the hosts, which are in the same physical switching equipment but in different virtual broadcast domains, to locate in one IPv4 subnet and use one default gateway. In one large-scale switching LAN, the mechanism has several advantages over the traditional IPv4 addressing system.

  • Page 21: Link Aggregation

    ZXR10 8900E series Core Switch Product Description segregated within the service-provider infrastructure even when they appear to be on the same VLAN. Selective VLAN expand the VLAN space by using a VLAN-in-VLAN hierarchy. The VLAN number can extend to 4094*4094. Another layer of 802.1Q tag (SP-VLAN ID) is added to the 802.1Q-tagged (CE-VLAN ID) packets that enter the...
  • Page 22 ZXR10 8900E series Core Switch Product Description  Member port may adopt the access, trunk or hybrid mode, which must be consistent. 3.1.3.2 LACP LACP (Link Aggregation Control Protocol) follows IEEE 802.3ad. LACP dynamic aggregates several physical ports to Trunk group for one smart group port. LACP automatically aggregates to obtain the maximum bandwidth.

  • Page 23: Spanning Tree

    ZXR10 8900E series Core Switch Product Description Figure 3-1 MC-ELAM structure Normally, only half of the links from CE to PE1 and PE2 are aggregated successfully. As shown in the above figure, the successfully aggregated link from CE to PE1 is active link;...
  • Page 24 ZXR10 8900E series Core Switch Product Description including node and connection node has one spanning tree which has good destination connectivity and can avoid network cycling. Therefore, spanning tree algorithm and protocol can avoid network loop in any dynamic topology and clear the loop between any two stations.

  • Page 25: L2 Multicast

    ZXR10 8900E series Core Switch Product Description 3.1.5 L2 multicast After the router forwards multicast traffic, in the network, Ethernet switch forwards multicast traffic to multicast user. Traditional switch usually broadcasts the multicast traffic , which wastes network bandwidth, cause broadcast storm and affect normal service.

  • Page 26: L2Pt

    ZXR10 8900E series Core Switch Product Description intercepts and processes IGMP request of terminal user and then forwards it to upper-level router. 3.1.6 L2PT In QinQ VPN mode, if VPN uses locating at different places want to initiate their L2...

  • Page 27: L3 Function

    ZXR10 8900E series Core Switch Product Description The message encapsulation and de-capsulation can be done by changing message MAC address. L3 function 3.2.1 IPv4 route protocol 3.2.1.1 RIP protocol is based on the vector distance routing algorithm of local network. It employs UDP packet to switch RIP route information, and the protocol packet to be transported is encapsulated into UDP packet.
  • Page 28 ZXR10 8900E series Core Switch Product Description ZXR10 8900E OSPF has the following functions:  Adopt layered network topology structure which is suitable for enormous interconnected network.  Use dynamic route algorithm. Route calculation adopts Dijiksra algorithm to automatically follow network topology structure change at a quick rate;...
  • Page 29 ZXR10 8900E series Core Switch Product Description 3.2.1.4 BGP, an external gateway protocol, switches no-loop route information between autonomous systems. The information has many attributes to create autonomous system topology, carry out route policy based on autonomous system. The path reachable information with autonomous system sequence attribute can clear route loop.

  • Page 30: Ipv6 Routing

    ZXR10 8900E series realizes ACL-based policy routing. In addition to policy routing, ZXR10 8900E series also provides policy routing backup function. The switch uses Redirect command to realize policy routing function based on ACL. For one ACL rule, the route can only be redirected to a next-hop address.

  • Page 31: L3 Multicast

    ZXR10 8900E series Core Switch Product Description applicable to be used in connection between two stable unchangeable IPv6 subnets.  Support 6to4 tunnel. The 6to4 technology uses special IPv6 address prefix to automatically construct tunnel for interconnection of IPv6 network. This mechanism consumes very few IPv4 addresses;...
  • Page 32 ZXR10 8900E series Core Switch Product Description IGMPv3 that the member can specify to receive or reject the messages from some multicast sources to support SSM model. MLD protocol is used for Ipv6 router to discover multicast listener in its associated network segments.

  • Page 33: Controllable Multicast

    ZXR10 8900E series Core Switch Product Description the multicast information sent form some multicast sources and do not want to receive information from other sources. SSM model directly builds the shortest path tree between the multicast source and multicast data receiver, which is highly efficient.
  • Page 34 ZXR10 8900E series switches support complete controllable multicast features. By supporting the functions including IGMP V1/V2/V3, IGMP Snooping, IGMP Proxy, IGMP Fast-leave, multicast VLAN, CAC (Channel Access Control) and CDR (Call Detail Record), they can realize precise control on multicast users.

  • Page 35: Mce

    CDR to SMS system to realize billing management. The controllable multicast technology provided by ZXR10 8900E series switches enables the operator to control multicast services precisely, perform overall management on the users and realize flexible provisioning of IPTV service.

  • Page 36: Mpls Vpn

    ZXR10 8900E series Core Switch Product Description As shown in Figure 3-3, the characteristic of MCE technology is that it changes VPN access from PE to CE. Multiple VRFs are configured on MCE, corresponding to multiple VPN sites. Each VRF needs an uplink interface to connect with PE;...

  • Page 37: Figure 3-4 Mpls Working Principle

    ZXR10 8900E series Core Switch Product Description The basic routing mode of MPLS is hop-by-hop routing, which allows simpler forwarding mechanism than data packets and can realize faster routing. As it uses universal method of label distribution and universal routing protocol on various media (such as packet, cell...

  • Page 38: Figure 3-5 Mpls Header Structure

    MPLS network, the depth of the label stack will increase; on the contrary, when the packet returns to the upper-level network, the depth decreases. At present ZXR10 8900E series provides complete MPLS protocol with the major functions as below: © 2013ZTE CORPORATION. All rights reserved.

  • Page 39: Mpls Te

    ZXR10 8900E series Core Switch Product Description  Support LDP and RSVP protocols;  Support TTL value decreasing, loop test, policy management and pop up at the last but one hop;  Support downstream independent label distribution mode and free label reservation mode;...

  • Page 40: Mpls L2 Vpn

    ZXR10 8900E series Core Switch Product Description  MPLS TE provides bandwidth guarantee for traffic. Bandwidth reservation, priority definition and bandwidth preemption mechanisms are introduced for key traffic. It can ensure the transmission traffic will not be discarded because the link bandwidth is insufficient.
  • Page 41 MPLS VPN, we need create all sub-tunnels manually; the configuration workload is quite high. ZXR10 8900E series products support VPWS of Martini draft and extended LDP protocol. They can create different LSP channels by service type. They support Ethernet encapsulation and VLAN encapsulation as well as LDP-based extended VPLS.

  • Page 42: Figure 3-7 Basic Vpls Network Model

    ZXR10 8900E series Core Switch Product Description Figure 3-7 Basic VPLS network model 3.3.3.2 H-VPLS VPLS adopts PE full-connection to avoid loopback so that LDP session or BGP session will be set up between all PEs in one VPLS instance, which brings great challenge to network scalability.

  • Page 43: Figure 3-9 H-Vpls Networking With Qinq Access

    ZXR10 8900E series Core Switch Product Description As shown in Figure 3-8, UPE works as aggregation device and establishes virtual connection U-PW with NPE1. UPE provides user data packet access and tags VC label corresponding to U-PW. When NPE1 receives the packet, it decides which VFI that the packet belongs to based on VC label, tags VC label corresponding to N-PW based on the destination MAC address of the packet, and forwards it.

  • Page 44: Mpls L3 Vpn

    EBGP to distribute VPN-IPv4 route with mark and using Multi-hop EBGP to distribute VPN-IPv4 routes from one AS to another. ZXR10 8900E series support complete MPLS L3 VPN, address overlapping, CE static routing, RIP, OSPF, and BGP access. They support BGP scalable union, capability negotiation, and route refreshing.

  • Page 45: Qos

    ZXR10 8900E series Core Switch Product Description 3.3.4.2 Cross-domain VPN At the beginning, MPLS-VPN application is mainly developed in enterprise network or MAN with not very large scale. Deployment of MPLS-VPN inside an AS can meet the service needs. With the expansion of MPLS-VPN application scale and the expansion of network scale, cross-domain MPLS-VPN services are emerging.
  • Page 46 Packet loss ratio: the highest ratio of data packet loss in network. Data packet loss is usually caused by network congestion. ZXR10 8900E series provides the following functions to realize the above objectives: © 2013ZTE CORPORATION. All rights reserved. ZTE Confidential Proprietary...
  • Page 47 To change its dropping priority (packets with higher dropping priority are dropped first in queue congestion.) ZXR10 8900E series swtich realizes Single Rate Three Color Marker (RFC2697) and Two Rate Three Color Marker (RFC4115). Both two algorithms support Color-Blind and Color-Aware modes.
  • Page 48 ZXR10 8900E series Core Switch Product Description information). Marker colors the IP packets based on Meter result and the color is marked in DS domain. The following are two types of marking algorithms. Single Rate Three Color Marker (SrTCM) This algorithm is used in Diffserv traffic conditioner. SrTCM measures information flow and marks the packets based on three parameters: Committed Information Rate (CIR), Committed Burst Size, (CBS), and Excess Burst Size (EBS).
  • Page 49 3.4.1.5 Queue Scheduling ZXR10 8900E series switch has each of its physical port supporting 8 output queues (queue0~7) called CoS queues. The switch takes output queue operation at ingress according to CoS queues corresponding to 802.1p of the packets. When network is congested, many packets may compete for resources.

  • Page 50: Mpls Qos

    ZXR10 8900E series Core Switch Product Description 3.4.1.6 Priority Mark Priority mark re-distributes a set of service parameters to the particular traffic that described by ACL. The following operatons can be implemented: Change CoS queue of the data packet and change its 802.1p value.

  • Page 51: Oam

    Besides, with the wide application of network equipment, the managers pay more attention to OAM of Ethernet equipment. ZXR10 8900E series support three standards of Ethernet OAM at the moment: IEEE 802.3ah(Operations, Administration, and Maintenance-OAM) IEEE 802.1ag(Connectivity Fault Management-CFM)

  • Page 52: Clock Synchronization

    ZXR10 8900E series Core Switch Product Description Measurement (ETH-DM). It supports Ethernet link OAM, link discovery, link state monitoring, remote defect indication, and remote loopback that conform to IEEE802.3ah. Clock synchronization Because of telecom bearing IP trend, there are clock requirements for Ethernet to provide precision clock for mobile wireless network.

  • Page 53: Ieee 1588 V2

    ZXR10 8900E series Core Switch Product Description status information or system alarm information. After clock source is determined, the system uses high-precision clock at the Ethernet interface to send data and transfer synchronization status information, synchronizing Ethernet physical-layer E2E data transceiving.

  • Page 54: Clock Protection

    ZXR10 8900E series Core Switch Product Description Figure 3-13 IEEE 1588 synchronization ZXR10 8900E supports 1588 v2 protocol and the following working modes:  Ordinary clock: Only one port supports 1588v2 protocol. The clock works as grandmaster or slave. ...

  • Page 55: Reliability Protection

    ZXR10 8900E series Core Switch Product Description ZXR10 8900E active/standby main control modules always synchronize clock information. When receiving Bits and GPS signals, one main control module sends the signals to the other main control module. Line card receives the clock signal from active and standby main control modules at the same time, but one line card only takes the clock of active main control module as system reference clock.

  • Page 56: Network Detection Mechanism

    ZXR10 8900E series Core Switch Product Description or exceeding alarm threshold, the system reports relative alarm and fault, and automatically saves and sends them to related server regularly. 3.7.2 Network detection mechanism When network equipment runs, link fault, equipment single point of failure and equipment connectivity fault may take place.
  • Page 57 ZXR10 8900E series Core Switch Product Description other system remotely detects the BFD control message. In query mode, the system transmits and detects the BFD control message. Asynchronous mode: In asynchronous mode, two systems periodically sends BFD control message to each other. If one receives no BFD control message from the other in detection time, it will be announced that the session is down.

  • Page 58: Vsc

    ZXR10 8900E series Core Switch Product Description Figure 3-14 SQA association 3.7.3 VSC( Virtual Switch Cluster) system can virtualize multiple independent devices into one device to dynamically add or delete members. These VSC members that linked by VSC port can select one main device by a certain selection mechanism. And others work as forwarding devices.

  • Page 59: Ethernet Intelligent Protection

    ZXR10 8900E series Core Switch Product Description 3.7.4 Ethernet intelligent protection ZXR 8900E supports ZESR (ZTE Ethernet Switch Ring), ZESS (ZTE Ethernet Smart Switch) and ZESR+, and provides ring protection and dual-uplink protection mechanism. 3.7.4.1 ZESR ZESR (ZTE Ethernet Smart Ring), the Ethernet ring technology, allows network administrator to create Ethernet ring, similar to fiber distributed data interface (FDDI) or SONET/SDH ring.
  • Page 60 3.7.4.2 ZESS ZESS (ZTE Ethernet Smart Switching) technology fulfills fast switching protection and load balance between L2 Ethernet links, and the active and standby links are switched within 50ms. Its working principle is as shown in Figure 3-17: The node supports ZESS;...

  • Page 61: Figure 3-16 Zess Protection Mechanism

    ZXR10 8900E series Core Switch Product Description Figure 3-17 ZESS protection mechanism 3.7.4.3 Intelligent dual-homed ZESR+ When metro core network uplinks backbone network, one switch has two uplink ports connecting two BRAS or SR, thus ZESS provides dual-uplink protection. Although the connection has uplink and SR or BRAS protection, there is single-point fault risk from uplink to BRAS or SR.

  • Page 62: L3 Route Protection

    ZXR10 8900E series Core Switch Product Description 3.7.5 L3 route protection 3.7.5.1 Enhanced VRRP If traditional VRRP technology is adopted, when router link goes wrong or powers off, backup router spends 3 seconds in switching, which cannot address the user demands when IP network bears voice service.

  • Page 63: Vpn Protection

    PE, PW redundancy-based protection mechanism should support single-hop PW redundancy and multiple segment PW redundancy. Single-hop PW redundancy set up multiple PW between PE. ZXR10 8900E series switch supports 1:1 redundancy backup. It can realize PW fast switching for active/standby, as shown in Figure 3-19.

  • Page 64: Figure 3-18 Pw Single-Hop Redundancy Protection

    PE1 and PE2 sets up connection with S-PE respectively. In this way PW between PE1 and PE2 is composed of multiple segments of PW. ZXR10 8900E series switch supports 1:1 multi-segment PW redundancy backup. When PW1 fails, traffic can be quickly switched to PW3 to realize fast switching between active and standby PW as shown in Figure 3-20.

  • Page 65: Figure 3-20 Ce Dual-Homing To Pe

    ZXR10 8900E series Core Switch Product Description Figure 3-21 CE dual-homing to PE L3VPN adopts FRR to set active/standby forwarding item directing active PE1 and standby PE2 at remote PE. PE implements quick failure detection by BFD and MPLS OAM. When PE4 detects PE1 failure, it can forward traffic to PE2. Service traffic between CE1 and CE2 can be switched to PE2-PE4 link.

  • Page 66: Frr Protection

    ZXR10 8900E series Core Switch Product Description Figure 3-22 UPE dual-homing to NPE NPE1 Master N-PW NPE3 U-PW Backup NPE2 3.7.7 FRR Protection 3.7.7.1 IP FRR IP FRR (IP Fast ReRoute) can reach 50ms switching, which can reduce data loss in case of failure to the best.

  • Page 67: Figure 3-23 Label Switching Diagram

    ZXR10 8900E series Core Switch Product Description ZXR10 8900E supports FRR for static routing, OSPF, IS-IS, and RIP, which easily implements traffic switching of single-directional traffic to meet the switching time requirement. 3.7.7.2 LDP FRR LDP FRR is MPLS-related reliability technology. With the help of LDP label distributing protocol, it distributes active/standby labels for routes.

  • Page 68: Figure 3-24 Te Frr Local Link And Node Protection

    ZXR10 8900E series Core Switch Product Description MPLS TE FRR uses a LSP set up in advance to protect one or multiple LSP. The LSP set up in advance is called FRR LSP. The protected LSP is called active LSP. The ultimate objective of MPLS TE FRR is to use FRR route to detour failed link or node so as to protect the active route as shown in Figure 3-25.

  • Page 69: Figure 3-25 Ce Dual-Homing Model

    ZXR10 8900E series Core Switch Product Description In MPLS TE network usually MPLS TE FRR is deployed, which is determined by MPLS TE’s features. In pure IP network, when there’s partial failure, if there are other available route to the same destination, packets will be forwarded along these routes. Before route change caused by the failure spreads to the whole network, only this mechanism can quickly implement partial failure protection.

  • Page 70: Security And Authentication

    The rules defined by ACL can also be used in other scenario, e.g. traffic classification in QoS. ZXR10 8900E series switch provides the following 4 types of ACL. Besides, it gives support to two sorts of Ipv6 ACL. ...

  • Page 71: Device Authentication

    ZXR10 8900E series Core Switch Product Description  L2 ACL: match source MAC address, destination MAC address, source VLAN ID, L2 Ethernet protocol type and 802.1p precedence.  Hybrid IP address: match source MAC address, destination MAC address, source VLAN ID, source IP address, destination IP address, TCP source port number, TCP destination port number, UDP source port number and UDP destination port number.
  • Page 72 3.8.2.3 Command Line Hierarchical Protection Currently, ZXR10 8900E series switch realizes different levels of command (16 levels in total). For different access users, different levels of authority is used. Lower level leads to less command. Higher level leads to more commands. The administrator (highest level) is able to set different authority levels to different command, so that self-defined command authority configuration can be implemented.

  • Page 73: Access Security

    The authenticator’s PAE uses uncontrolled port and EAPOL protocol to exchange protocols with the requestor’s PAE. It uses EAPOR and RADIUS authentication server for communication. The 802.1X unit of ZXR10 8900E series switch mainly realizes the following services:  Support services of authenticator.
  • Page 74 ZXR10 8900E series Core Switch Product Description 3.8.3.2 DHCP DHCP server can allocate proper IP address for all sorts of device. With DHCP service, the network administrator instead of distributing IP address manually can allocate IP address automatically by exchanging DHCP protocol message. This not only reduces the workload caused by manual configuration and configuration error, but also enables unified IP address management when the device is moved.

  • Page 75: Mff

    ZXR10 8900E series Core Switch Product Description Static binding: binding table item generated by manual configuration is used to implement port control service. This method is suitable for one host or LAN where there are less hosts. Dynamic binding: implement port control service by getting the binding table items of DHCP Snooping or DHCP Relay automatically.

  • Page 76: Network Security

    Besides, for some malicious network attacks, the switch must have some protective mechanisms to avoid the breakdown of the switch and network. ZXR10 8900E series switch mainly realizes network-based security mechanism. It configure security inspection service to different units.
  • Page 77 ZXR10 8900E series Core Switch Product Description 3.8.5.1 Anti-DDoS Attack Due to more and more complicated network environment, the switch should be more competent in fighting against attacks. There are lots of ways to prevent DDoS attack, CPU protection is a very important one.

  • Page 78: Network Traffic Analysis

    If not, the source address is considered spoofing, and the packet will be dropped. In this way, malicious attack launched by modifying the source address can be stopped. ZXR10 8900E series swith supports three types of uRPFs, i.e. strict, loose and loose-ingoring-default-route. ...

  • Page 79: Figure 3-27 Sflow Multi-Level Architecture

    ZXR10 8900E series Core Switch Product Description Figure 3-27 sFlow Multi-level Architecture sFlow sampling and agent units are integrated in the network device. While sFlow analyzer outside the system analyzes multiple sFlow agent messages in the network. sFlow sampling service of 8900E is done by ASIC chip.

  • Page 80: System Architecture

    ZXR10 8900E series Core Switch Product Description System Architecture Appearance ZXR10 8900E adopts a large-capacity rack structure. Its hardware system is composed of chassis, backplane, fan chassis, power supply unit, switching MCC and various line processing cards. 4.1.1 ZXR10 8912E Appearance ZXR10 8912E appearance is shown in Figure 4-1 ©...

  • Page 81: Figure 4-1 Zxr10 8912E Appearance

    ZXR10 8900E series Core Switch Product Description Figure 4-1 ZXR10 8912E appearance ZTE Confidential Proprietary © 2013 ZTE CORPORATION. All rights reserved.

  • Page 82: Zxr10 8908E Appearance

    ZXR10 8900E series Core Switch Product Description ZXR10 8912E structure is shown in Figure 4-2. Figure 4-2 ZXR10 8912E structure 4.1.2 ZXR10 8908E Appearance ZXR10 8908E appearance is shown in Figure 4-3. © 2013ZTE CORPORATION. All rights reserved. ZTE Confidential Proprietary...

  • Page 83: Figure 4-3 Zxr10 8908E Appearance

    ZXR10 8900E series Core Switch Product Description Figure 4-3 ZXR10 8908E appearance ZXR10 8908E structure is shown in Figure 4-4. ZTE Confidential Proprietary © 2013 ZTE CORPORATION. All rights reserved.

  • Page 84: Zxr10 8905E Appearance

    ZXR10 8900E series Core Switch Product Description Figure 4-4 ZXR10 8908E structure 4.1.3 ZXR10 8905E Appearance ZXR10 8905E appearance is shown in Figure 4-5. © 2013ZTE CORPORATION. All rights reserved. ZTE Confidential Proprietary...

  • Page 85: Figure 4-5 Zxr10 8905E Appearance

    ZXR10 8900E series Core Switch Product Description Figure 4-5 ZXR10 8905E appearance ZXR10 8905E structure is shown in Figure 4-6. Figure 4-6 ZXR10 8905E structure ZTE Confidential Proprietary © 2013 ZTE CORPORATION. All rights reserved.

  • Page 86: Zxr10 8902E Appearance

    ZXR10 8900E series Core Switch Product Description 4.1.4 ZXR10 8902E Appearance ZXR10 8902E appearance is shown in Figure 4-7. Figure 4-7 ZXR10 8902E appearance ZXR10 8902E structure is shown in Figure 4-8. Figure 4-8 ZXR10 8902E structure Hardware Architecture This section introduces the system hardware and working principle of ZXR10 8900E series core switch and gives users an understanding of the system.

  • Page 87: Overall Hardware Architecture

    ZXR10 8900E series Core Switch Product Description 4.2.1 Overall Hardware Architecture ZXR10 8900E series switch adopts rack design to implement a system architecture with separated forwarding plane, control plane and monitoring plane. The three planes work and implement system functions together. The system uses new-generation large-capacity high-speed serial bus back plane to connect main control switching card and all service line cards.
  • Page 88 ZXR10 8900E series Core Switch Product Description XAUI Line card 1 SyncE/ Management and ASIC 1588 control Module IPMC Line card 2 IMPC SyncE/ ASIC POWER 1588 SyncE/ IPMC 1588  Large-capacity high-speed back plane The system uses the latest passive large-capacity high-speed back plane design, and adopts 10G high-speed Serdes to connect main control switching card and every line cards.

  • Page 89: Working Principles Of Hardware System

    ZXR10 8900E series Core Switch Product Description − 10G Ethernet service card − 40G Ethernet service card  Power supply 8900E uses intelligent power supply unit. Main control system can monitor the power supply by RS485 interface to implement its intelligent monitoring of temperature, over/low-voltage, power-down alarm, and traffic limit.

  • Page 90: Figure 4-11 Zxr10 8905E/8908E/8912Esystem Hardware Diagram

    ZXR10 8900E series Core Switch Product Description Figure 4-11 ZXR10 8905E/8908E/8912Esystem hardware diagram Line card Line card XAUI XAUI SyncE SyncE ASIC ASIC /1588 /1588 IPMC IPMC Switching Fabric XAUI XAUI Line card Line card SyncE SyncE ASIC ASIC /1588...

  • Page 91: Hardware Boards

    ZXR10 8900E series Core Switch Product Description Hardware Boards 4.3.1 Switching Main Control Board In actual application of ZXR10 8912E/8908E/8905E, the switching module and control module are integrated on one main control board, including CPU subcard, switching chip, clock system and monitoring subcard, realizing management control for the whole system and switching function for data packets of line cards.
  • Page 92 ZXR10 8900E series Core Switch Product Description 4.3.1.1 Main Control Module The main control module consists of a main processor and some external functional chips, providing various operation interfaces such as serial interface and Ethernet interface by which the system can process various applications. The main control module includes the following functional units and fulfills the following tasks: ...
  • Page 93 ZXR10 8900E series Core Switch Product Description 4.3.1.2 Switching Module The switching module is responsible for data switching of the whole system and providing high-speed non-blocking switching channels between line cards. The switching module employs specialized CROSSBAR chip and integrates multiple high-speed bidirectional interfaces, so it can process wire-speed switching of multiple line cards.

  • Page 94: Figure 4-15 8912Emsc1D Main Control Board Panel Diagram

    ZXR10 8900E series Core Switch Product Description 4.3.1.4 Monitoring Module The monitoring module (IPMC) is a component of the equipment monitoring system. It forms intelligent platform management system together with hardware management bus and software monitoring management module. IPMC is designed as modular subcard and located at the main control board and other boards.

  • Page 95: Figure 4-16 8912Emsc1A Main Control Board Panel Diagram

    ZXR10 8900E series Core Switch Product Description Figure 4-16 8912EMSC1A main control board panel diagram The panel diagram of 8908E main control board named 8908EMSC1D supporting clock synchronization is as shown. Figure 4-17 8908EMSC1D main control board panel diagram The panel diagram of 8905E main control board named 8905EMSC1D supporting clock synchronization is as shown.

  • Page 96: Figure 4-20 8902Emsc1A Main Control Board Panel Diagram

    ZXR10 8900E series Core Switch Product Description The panel diagram of 8902E main control board named 8902EMSC1A without Clock synchronization is as shown. Figure 4-20 8902EMSC1A main control board panel diagram The main control board has Console interface, IPMC management interface, MGT interface, SD card interface and clock interface, that is, one BITS in, one BITS out, one GPS in and one GPS out.

  • Page 97: Table 4-2 Main Control Board Panel Button Function Description

    ZXR10 8900E series Core Switch Product Description There are a number of buttons on the panel, such as RST, EXCH and CPY. Their functions are as shown in Table 4-2. Table 4-2 Main control board panel button function description Button name...

  • Page 98: Power Module

    ZXR10 8900E series Core Switch Product Description Indicator Function On: this interface is inserted with SD card Off: this interface has no SD card or SD card is SD interface ACT (green) exceptional Flash: SD card is under reading/writing Flash: data receiving/sending on 10/100/1000 Base-T...

  • Page 99: Interface Module

    4.3.3 Interface Module ZXR10 8900E series core switch interface module is the line interface card. The line card types provided include Gigabit Ethernet interface board, 10G Ethernet optical interface board and 40G Ethernet optical interface board. All optical interfaces of line cards in ZXR10 8900E series core switches adopt pluggable optical module, so the same line card can support multiple kinds of transmission media and transmission distances.

  • Page 100: Table 4-4 8900E Interface Board Type

    ZXR10 8900E series Core Switch Product Description Types of 8900E interface boards (as shown in Table 4-4) Table 4-4 8900E interface board type Fixed interface line Board type processing board Port state Description name With NP extension; 24-port NP 24 GE optical support MPLS;...

  • Page 101: Figure 4-25 E1Gf24A

    ZXR10 8900E series Core Switch Product Description Panel diagram of 8900E interface boards Figure 4-25 E1GF24A Figure 4-26 H2GF24D Figure 4-27 H2GF48D Figure 4-28 H2GT48D Figure 4-29 H2XF8D Figure 4-30 S1XF12A Figure 4-31 S2XF48A ZTE Confidential Proprietary © 2013 ZTE CORPORATION. All rights reserved.

  • Page 102: Software Architecture

    4.4.1 System Software Architecture ZXR10 8900E series switches are multi-layer switches that have L2 switching, L3 routing and MPLS L2/L3VPN and that support multiple service functions. They can provide L3 and L3 wire-speed switching and routing and QoS guarantee. The system software implements system management, control and data forwarding.

  • Page 103: Figure 4-33 8900E Software System Architecture

    Support fast switching and convergence of routes, links and network; provide highly reliable protection. ZXR10 8900E series switch products adopt brand new software architecture to fulfill various functions of the software system. The two major subsystems “unified support platform” and “new-generation protocol stack platform” together with OAM, DB, product...

  • Page 104: Software Platform

    ZXR10 8900E series Core Switch Product Description series of data products and service products from low end to high end. The protocol stack is realized in different processes by functional block to ensure the independence and reliability of functions and locate software fault with ease. It has NSR function, fast convergence capability, and mass route management capability.

  • Page 105: Figure 4-34 New-Generation Zxros V5.0 Software Platform System Architecture

    ZXR10 8900E series Core Switch Product Description Figure 4-34 New-generation ZXROS V5.0 software platform system architecture Software platform Application protocol subsystem ..NETFLOW PING TRACE TACACS+ RADIUS Routing protocol L2 protocol MPLS subsystem subsystem subsystem L3&PSS subsystem (message receiving/sending, interface management,...
  • Page 106 ZXR10 8900E series Core Switch Product Description  Software system architecture supports distributed protocol processing: message communication is used between processes;  Fast data synchronization can be realized between multiple CPUs; reliable multicast can be used to increase route convergence speed;...
  • Page 107 ZXR10 8900E series Core Switch Product Description ZTE Confidential Proprietary © 2013 ZTE CORPORATION. All rights reserved.

  • Page 108: Technical Specifications

    ZXR10 8900E series Core Switch Product Description Technical Specifications Basic features Table 5-1 Basic features and performance Description Features 8912E 8908E 8905E 8902E Backplane 19.2 Tbps 19.2 Tbps 12Tbps 3.2Tbps bandwidth Switching 2Tbps/7.68T 2Tbps/7.68T 1.28Tbps/4.8 960Gbps capacity Tbps Throughpu 1536Mpps/5...

  • Page 109: Interface Specifications

    ZXR10 8900E series Core Switch Product Description Features Description ments Storage temperatur -40°C～+70°C Relative 5%～95%, non-condensing Humidity Earthquak Richter 8 scale earthquake e-proof Interface Specifications Table 5-2 Interface Specifications Interface type Description IEEE802.3z RJ45 connector. Category-5 UTP cables 10 /100 /1000BASE-T...
  • Page 110 ZXR10 8900E series Core Switch Product Description Interface type Description LC connector. Single-mode fiber. Wavelength: 1310nm. Max. transmission distance: 40km 1000BASE-LX (SFP-S40K) Transmission power: -4dBm~0dBm. Receive sensitivity: <-22dBm. LC connector. Single-mode fiber. Wavelength: 1550nm. Max. transmission distance: 40km 1000BASE-LX (SFP-S40K-1550) Transmission power: -5dBm～0dBm.

  • Page 111: Functions

    ZXR10 8900E series Core Switch Product Description Functions 5.3.1 L2 features Table 5-3 L2 features Features Description Port-based VLAN, Protocol-based VLAN, IP subnet-based VLAN VLAN translation VLAN PVLAN Super VLAN IEEE 802.1ad (QinQ) QinQ Selective QinQ and priority mapping TPID modification...

  • Page 112: L3 Features

    ZXR10 8900E series Core Switch Product Description 5.3.2 L3 features Table 5-4 L3 features Features Description IPv4 Static routing RIPv1/v2, OSPFv2, IS-IS, BGP-4 Policy routing IPv4 unicast routing VRRP URPF ECMP L3 features ND, ND security, PMTUD IPv6 Static routing...

  • Page 113: Qos

    ZXR10 8900E series Core Switch Product Description Features Description /Multi-hop M-EBGP method for Inter-AS L2 VPN CE dual-home to PE UPE dual-home to NPE L3 VPN FRR L3 VPN ECMP MPLS L3 VPN Vrf to Vrf method/Single-hop M-EBGP method /Multi-hop M-EBGP method for Inter-AS L3 VPN...

  • Page 114: Service Management

    ZXR10 8900E series Core Switch Product Description Features Description ingress/egress H-QoS with 4-level queues and 3-level scheduling H-QoS H-QoS H-QoS for MPLS L2/L3 VPN 5.3.6 Service Management Table 5-8 Service Management Features Description IEEE 802.1X, 802.1X Relay, 802.1X RADIUS Accounting, and...

  • Page 115: System Security

    ZXR10 8900E series Core Switch Product Description Features Description MPLS-TE end-to-end Path protection MPLS-TE FRR IP FRR LDP FRR Multicast FRR BFD for Static Routing, LDP, OSPF, ISIS, BGP, RIP, VRRP, LSP, FRR, PIM DR, Super VLAN Graceful Restart Reliability...

  • Page 116: Clock Synchronization

    ZXR10 8900E series Core Switch Product Description 5.3.9 Clock synchronization Table 5-11 Clock synchronization Features Description Restore and extract clock data from the Synchronous Ethernet links Clock distribution in chassis Synchronized Ethernet Extract clock from physical links, BITS (2MHZ, 2Mbits) and GPS...
  • Page 117 ZXR10 8900E series Core Switch Product Description Features Description Network testing tools (LSP Ping, LSP trace route, VPLS MAC Ping, etc.) ZTE Confidential Proprietary © 2013 ZTE CORPORATION. All rights reserved.

  • Page 118: Typical Networking Mode

    ZXR10 8900E series Core Switch Product Description Typical Networking Mode Application in Metro Ethernet ZXR10 8900E can be deployed in the aggregation layer of metro Ethernet. Metro Ethernet has the demand for unified bearing of mobile, fixed broadband and Enterprise Customer and separated bearing of IP-based audio, video, data and IPTV services.

  • Page 119: Application In Data Center

    The data center nowadays has to face unexpected pressure from capacity extension, power consumption and maintenance. ZXR10 8900E series switch with high-density 10G port and high-performance switching capacity, can be deployed in the core/aggregation layer of the data center network. It helps users to reduce their TCO and eliminate problems in capacity extension and OAM.

  • Page 120: Application In Campus Network

    Community network core layer requires large bandwidth and high-density port. The entire network must support user access authentification and security guarantee policies. ZXR10 8900E series switch can be deployed in community network core layer to implement high-speed service forwarding and service protection. The features of 8900E in enterprise network are: ...

  • Page 121: Application In Fttx

    ZXR10 8900E series Core Switch Product Description Application in FTTx Due to the increasing growth of services, users nowadays have higher requirements for access bandwidth and QoS quality. Traditional DSL access bandwidth is far behind the requirment of future service development. As the costs of optical access keeps going down, E-FTTx access becomes mainstream development in the future.

  • Page 122: Application In Ip Ran

    ZXR10 8900E series Core Switch Product Description Application in IP RAN IP backhaul focuses on the interconnection between base station and wireless service control point (Gateway) to realize the implementation of mobile IP voice and data services. In traditional 2G network, BTS uses TDM E1/T1 to access BSC (Base Station Controller).

  • Page 123: Operation And Maintenance

    ZTE based upon the time’s call develops NetNumen U31 unified network management system. Concentrating on multiple products like router, switch, ZXR10 8900E, NetNumen U31 is an integrated network management system melting network element management, network management and service management together.

  • Page 124: Netnumen U31 Network Management System

    NetNumen U31 Network Management System NetNumen U31 network management system developed by ZTE is an integrated management system concentrating on multiple ZTE products like router, switch and CE, etc. Covering NE management, network management and service management, the network management system provides the following services.
  • Page 125 ZXR10 8900E series Core Switch Product Description Resource management enables rational use of network resource. Resource management system which realizes physical resource and local resource management is a critical base station in operator’s service process. It is the most precondition in realizing automatic service intiation and service guarantee. By using...

  • Page 126: Maintenance And Management

    ZXR10 8900E series Core Switch Product Description U31 supports multiple northbound interfaces, e.g. CORBA, SNMP, TL1,XML and FTP etc. Maintenance and Management 7.2.1 Multiple Configuration Modes ZXR10 8900E provides multiple device access and management configuration modes, which enables customers to choose proper connection way as per different application scenarios.

  • Page 127: Monitoring And Maintenance

    ZXR10 8900E series Core Switch Product Description 7.2.2 Monitoring and Maintenance ZXR10 8900E supports multiple types of equipment monitoring, management and maintenance. These services enable the device to take correct action in any abnomal cicurmstance. Also, they can offer all parameters related to equipment operation.

  • Page 128: Software Upgrade

    ZXR10 8900E series Core Switch Product Description ZXR10 8900E provides multiple diagnosis and debugging methods, which enables user to have more ways to adjust the device and to have more debugging information.  Ping and TraceRoute: network connectivity confirmation and packet transmission path record can be the reference of fault location.
  • Page 129 ZXR10 8900E series Core Switch Product Description  DATA: this category is used to save equipment abnormal information. The file format is “time.zte”. File System Operation  File backup and recovery: FTP/TFTP is used to backup the software version file, configuration file and log file of ZXR10 8900E to backgroud server.

  • Page 130: Glossary

    ZXR10 8900E series Core Switch Product Description Glossary Table 8-1 Abbreviations Abbreviations Full Characteristics Access Control List Automatic Protect Switch ASIC Application Specific Integrated Circuit Asynchronous Transfer Mode Bidirectional Forwarding Detection Border Gateway Protocol BPDU Bridge PDU Controller-area Network CAPEX...
  • Page 131 ZXR10 8900E series Core Switch Product Description Abbreviations Full Characteristics Next Generation Network Operations Administration and Maintenance OPEX Operation Expense OSPF Open Shortest Path First Protocol Independent Multicast PIM-DM Protocol Independent Multicast－Dense Mode PIM-SM Protocol Independent Multicast－Sparse Mode PIM-SSM Protocol Independent Multicast－Source Specific Multicast...
  • Page 132 ZXR10 8900E series Core Switch Product Description Abbreviations Full Characteristics WRED Weighted Random Early Detection Weighted Fair Queuing ZESR ZTE Ethernet Smart Ring ZESS ZTE Ethernet Smart Switching ZXROS ZTE Router Operating System © 2013ZTE CORPORATION. All rights reserved. ZTE Confidential Proprietary...

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