1. E320设备硬件体系介绍.ppt

1、1. E320设备硬件体系介绍,Course Overview,This course provides an introduction to the E-series router platforms The course covers E-series router features, applications, and hardware architecture.,Course Objects,Describe the E-series router features and applications in both a B-RAS and dedicated access enviro

2、nment; Describe the E-series router hardware architecture; Describe the configuration options available for E-series hardware platforms;,Company Profile,Service Provider Market Focus Purpose-built platforms for Packet Processing Global Presence 35+ regional offices worldwide Local Juniper IP experti

3、se Excellence (Market Share) #1 - BRAS #1 - IP Services #2 - Core Router #2 - Edge Router,Source: Infonetics, Synergy, DellOro,Channel partners are key to Juniper Networks success, ,Technical Certification Program,Expert,Professional,Specialist,Associate,Information at: ,7,Copyright 2003 Juniper Net

4、works, Inc. Proprietary and C,E-series in Juniper Product Line,E-series,Granular services, BRAS 2nd for redundancy (3) Switch Fabric Modules (SFMs) Work in conjunction with SRPs to provide fabric slices 1:4冗余,SRPs and SFMs,E320板卡命名规则,E320 System Architecture,IOA,IOA,Line Card,Line Card,IOA,IOA,SF-sl

5、ice,SF-slice,SF-slice,SF-slice,SF-slice,SRP,SRP,Data Plane: Fabric Serial Links,Control Plane: Ethernet Internal Network,SFM,SFM,SFM,SRP Switch Route Processor SFM Switch Fabric Module,E320 Possible Configurations,100Gb System 12 x 4Gb line cards = 96Gb 10 x 4Gb line cards + 1 x 10Gb line card = 100

6、Gb 8 x 4Gb line cards + 2 x 10Gb line cards = 104Gb 320Gb System 12 x 10Gb line cards = 240Gb 10 x 10Gb line cards + 2 x 20Gb line card = 280Gb,Chassis & Midplane Front View,风扇 12个线路处理卡插槽,每6个一个冗余组 “Supercharged” slots SRPs & SFMs支架,E320 Fan Tray,SRP IOA & Power Input Module,10/100 带外网管口 Serial conso

7、le port T1/E1 BITS/SETS timing inputs Auxiliary serial port (4 wire) With internal SW controlled switches, can be connected to any control processor in the system (either SRP, or any line card) (2) 冗余直流电源模块,Midplane Rear View (Left Side),Upper IOA连接接口 冗余 IOA 连接接口 支架定位孔 Lower IOA连接接口,SFP,今年广西电信IP城域网7

8、扩工程E320实施过程中，遇到了工程人员将非Juniper GE SFP模块插到E320 GE端口导致故障发生的情况。 E320 GE专用模块说明 E320的GE专用模块有四种，分别是550米多模、10公里单模、40公里单模、70公里单模，图片及命令行show interface显示如下,550米多模SX GE SFP模块， #show inter GigabitEthernet0/0/0 GigabitEthernet0/0/0 is Down, Administrative status is Up Description: T0_M-LZ-LONGCHENG-R-CRS-01:GE0/0

9、/0/0 Hardware is Intel IXF1110, address is 0090.1aa2.cec3 MAU is 1000BASE-SX,SFP,10公里单模LX GE SFP模块， # show inter GigabitEthernet 0/0/3 GigabitEthernet0/0/3 is Down, Administrative status is Up Hardware is Intel IXF1110, address is 0090.1aa2.cec6 MAU is 1000BASE-LX 10km,40公里单模EX GE SFP模块， # show inte

10、r GigabitEthernet 0/0/2 GigabitEthernet0/0/2 is Up, Administrative status is Up Hardware is Intel IXF1104, address is 0090.1aa2.b5fb MAU is 1000BASE-LX 40km,SFP,70公里单模LH GE SFP模块， #show interfaces gigabitEthernet 11/0 GigabitEthernet11/0 is Down, Administrative status is Up Hardware is PMC 3386, add

11、ress is 0090.1a42.434f Primary MAU is 1000BASE-LX 70km,Line Card Redundancy,线卡出故障时，当前用户会话状态会被保留，继续数据包转发 冗余槽位LM重新加载故障槽位的数据配置 冗余线卡配置下载阶段,用户接入会受到影响 转发平面的切换在毫秒级,E320 Line Module Redundancy (Front),Line Modules Slots 0 - 5,(2) SRPs,Line Modules Slots 11 - 16,(3) Switch Fabric Modules,JUNOSe 冗余备份机制,E-Seri

12、esApplications,Backbone,Customer Prem.,Access Network,Large PoP,“Super” PoP,Backbone,CPE based Enterprise router. Low cost, small form factor with flexible interface options,Scalable, high performance IP edge router solutions to meet a tiered POP architecture. BRAS and dedicated access applications.

13、,ERX 1440 E320,ERX 1400,ERX 700,Small PoP,ERX 310,Distributed PoP,ERX 310,ERX 310,Distributed edge router arch to support both BRAS and dedicated access applications,Core,Subscriber Mgmt Apps,Subscriber Mgmt Apps,Integrated Solution,单边缘业务控制 允许最终用户能够自主选择所需服务 针对每一业务,统一计费 对网络层的强力控制 与内容, 网络, 客户紧密联系 支持多种

14、接入方式,33,Copyright 2003 Juniper Networks, Inc. Proprietary and C,Wireless,Content & Services,DSL (DSLAM),Leased Line (Router),Ethernet (VLAN),Dial,Satellite,Subscribers,Cable (G10 CMTS),Content & Services,Content & Services,BRAS DSL Access,PPP/PPPoE termination and subscriber management using Radius,

15、 DHCP and COPS 线速进行IP源地址校验以及策略控制 提供层次化的带宽服务, premium/business/consumer services,PPP/DSL,B-RAS,PPPoE/DSL,DSLAM,DSLAM,RADIUS,Policies,DHCP,存储内容 Network,游戏,视频,BRAS DSL Access动态服务选择,SP 提出业务需求, 转化为基于策略的服务内容,存储在策略服务器的数据库中 最终用户从个性化的Portal页面选择自己需要的服务 E系列路由器通知 SDX/SRC 用户相关信息 激活服务, SDX将相应的策略通知E系列路由器,并由E系列路由器最

16、终应用到用户端口 支持灵活的计费模式 (例如 per service, per usage, volume, time, event),BRAS Access Wholesale LAC,Physical link termination (LAC) Tunnel assignment through Radius or local domain-map PPP-session forwarded to LNS in L2TP tunnel/session Hand-off PPP session to retail ISP,L2TP Tunnel Termination LNS,LNS =

17、BRAS = subscriber management LNS = ILEC managed service or ISP Terminate L2TP tunnel/session and PPP session BRAS “as usual”, e.g. Authenticate user Apply IP services Requires Tunnel Server Module (TSM),Internet,ERX-enabled WiFi Approach,Provider Edge Gateways Ideal location to perform IP Services Q

18、oS, filtering, push customized content Perform BRAS, IP addressing, authentication requests, user session termination Requires specialized hardware to meet high packet processing requirements Lower operational cost, scales for mass deployment,DSL,E1/T1,Metro Ethernet,Core,Edge,Access,SDX,SDX-300 Provisioning Tool,SDX-300 is an innovative service deployment software system that works in conjunction with Juniper Hardware platforms. The SDX-300 is enabling thought leaders such as NTT DoCoMo and Telenor to gain control