BGP协议上机指导书

DL010011 BGP协议上机指导书 ISSUE1.2DL010011 BGP协议上机指导书 ISSUE1.2目 录课程说明目 录课程说明1实验说明1版本说明1实验目的1实验任务1相关资料1第1章 BGP协议基本配置21.1 组网及业务介绍21.2 命令行列表21.3 配置流程图31.4 配置步骤31.5 结果验证41.6 配置参考9第2章 BGP路由聚合122.1 组网及业务介绍122.2 命令行列表122.3 配置流程图122.4 配置步骤132.5 结果验证132.6 附加任务192.7 配置参考20第3章 BGP路由反射器233.1 组网及业务介绍233.2 命令行列表233.3 配置流程图233.4 配置步骤243.5 结果验证243.6 配置参考26第4章 BGP联盟294.1 组网及业务介绍294.2 命令行列表294.3 配置流程图304.4 配置步骤304.5 结果验证304.6 配置参考31第5章 BGP路径选择345.1 组网及业务介绍345.2 命令行列表345.3 配置流程图355.4 配置步骤355.5 结果验证355.6 配置参考39i华为技术有限公司 版权所有, 未经许可不得扩散DL010011 BGP协议上机指导书 ISSUE1.2BGP路径选择课程说明实验说明本实验指导书本主要介绍了BGP协议的基本配置方法及配置流程，涵盖了BGP协议当前的主要技术，相信您能通过本指导书了解对BGP协议的配置方法及配置流程。版本说明本指导书适用于VRP Version 3.40, Release 0201P01与VRP版本5.10，RELEASE 0039实验目的l 了解BGP协议的基本原理l 掌握BGP协议的配置流程l 熟悉BGP协议的配置命令实验任务l BGP协议基本配置l BGP路由聚合相关资料l VRP3.40操作手册l VRP5.10操作手册第1章 BGP协议基本配置1.1 组网及业务介绍图1-1 BGP协议上机组网图RTD能够学习到RTA的17.1.1.1/32和RTB的18.1.1.1的路由信息。1.2 命令行列表表1-1 BGP协议上机命令行操作命令启动BGP，进入BGP视图bgp as-number关闭BGPundo bgp as-number 创建一个对等体组group group-name internal | external 删除指定的对等体组undo group group-name为EBGP对等体组指定自治系统号peer group-name as-number as-number删除指定EBGP对等体组的自治系统号undo peer group-name as-number向对等体组中加入一个对等体peer peer-address group group-name as-number as-number 从对等体组中删除一个对等体undo peer peer-address指定路由更新报文的源接口peer peer-address connect-interface LoopBack 取消指定路由更新报文的源接口undo peer peer-address connect-interface LoopBack1.3 配置流程图配置接口使能BGP配置对等体组向对等体组中加入对等体配置对等体引入路由图1-3 BGP协议配置流程图1.4 配置步骤(1) 配置接口在RTA、RTB、RTC和RTD上分别配置环回地址和相应的物理接口地址。 (详见图1-1)(2) 使能BGP。RTA、RTB、RTC、RTD分别开启BGP，RTB和RTC在同一自治系统中。(3) 配置对等体组在RTA、RTD上配置EBGP对等体组、RTB、RTC上配置EBGP和IBGP。(4) 配置对等体在RTA、RTB、RTC和RTD上分别配置相应的对等体，加入相应的对等体组。(5) 引入路由把IGP路由引入到BGP中。1.5 结果验证(1) RTA上的邻居状态和路由信息display bgp peer Peer AS-num Ver Queued-Tx Msg-Rx Msg-Tx Up/Down State-10.1.1.2 200 4 0 40 28 00:24:12 Establisheddisplay bgp routingFlags: # - valid - active I - internal D - damped H - history S - aggregate suppressed Dest/Mask Next-Hop Med Local-pref Origin Path -# 1.1.1.1/32 0.0.0.0 0 100 INC # 2.2.2.2/32 10.1.1.2 0 0 INC 200# 3.3.3.3/32 10.1.1.2 20 0 INC 200# 4.4.4.4/32 10.1.1.2 0 0 INC 200 300# 10.1.1.0/30 0.0.0.0 0 100 INC # 10.1.1.2 0 0 INC 200# 10.2.2.0/30 10.1.1.2 0 0 INC 200# 17.1.1.1/32 0.0.0.0 0 100 INC # 18.1.1.1/32 10.1.1.2 0 0 INC 200# 19.1.1.1/32 10.1.1.2 20 0 INC 200# 20.1.1.1/32 10.1.1.2 0 0 INC 200 300# 192.2.2.0/30 10.1.1.2 0 0 INC 200 Routes total: 12 display ip routing-table Routing Table: public netDestination/Mask Protocol Pre Cost Nexthop Interface1.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack02.2.2.2/32 BGP 256 0 10.1.1.2 Ethernet0/13.3.3.3/32 BGP 256 20 10.1.1.2 Ethernet0/14.4.4.4/32 BGP 256 0 10.1.1.2 Ethernet0/110.1.1.0/30 DIRECT 0 0 10.1.1.1 Ethernet0/110.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack010.2.2.0/30 BGP 256 0 10.1.1.2 Ethernet0/117.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack018.1.1.1/32 BGP 256 0 10.1.1.2 Ethernet0/119.1.1.1/32 BGP 256 20 10.1.1.2 Ethernet0/120.1.1.1/32 BGP 256 0 10.1.1.2 Ethernet0/1127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0192.2.2.0/30 BGP 256 0 10.1.1.2 Ethernet0/1(2) RTB上的邻居状态和路由信息display bgp peer Peer AS-num Ver Queued-Tx Msg-Rx Msg-Tx Up/Down State-10.1.1.1 100 4 0 26 41 00:24:38 Established3.3.3.3 200 4 0 36 37 00:24:34 Establisheddisplay bgp routingFlags: # - valid - active I - internal D - damped H - history S - aggregate suppressed Dest/Mask Next-Hop Med Local-pref Origin Path -# 1.1.1.1/32 10.1.1.1 0 0 INC 100# 2.2.2.2/32 0.0.0.0 0 100 INC # I 3.3.3.3 20 100 INC # 3.3.3.3/32 0.0.0.0 20 100 INC I 3.3.3.3 0 100 INC #I 4.4.4.4/32 10.2.2.2 0 100 INC 300# 10.1.1.0/30 0.0.0.0 0 100 INC # 10.1.1.1 0 0 INC 100#I 10.2.2.0/30 3.3.3.3 0 100 INC # 17.1.1.1/32 10.1.1.1 0 0 INC 100# 18.1.1.1/32 0.0.0.0 0 100 INC # I 3.3.3.3 20 100 INC # 19.1.1.1/32 0.0.0.0 20 100 INC # I 3.3.3.3 0 100 INC #I 20.1.1.1/32 10.2.2.2 0 100 INC 300# 192.2.2.0/30 0.0.0.0 0 100 INC # I 3.3.3.3 0 100 INC display ip routing-table Routing Table: public netDestination/Mask Protocol Pre Cost Nexthop Interface1.1.1.1/32 BGP 256 0 10.1.1.1 Ethernet0/12.2.2.2/32 DIRECT 0 0 127.0.0.1 InLoopBack03.3.3.3/32 IS-IS 15 20 192.2.2.2 Ethernet0/04.4.4.4/32 BGP 256 0 10.2.2.2 Ethernet0/010.1.1.0/30 DIRECT 0 0 10.1.1.2 Ethernet0/110.1.1.2/32 DIRECT 0 0 127.0.0.1 InLoopBack010.2.2.0/30 BGP 256 0 3.3.3.3 Ethernet0/017.1.1.1/32 BGP 256 0 10.1.1.1 Ethernet0/118.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack019.1.1.1/32 IS-IS 15 20 192.2.2.2 Ethernet0/020.1.1.1/32 BGP 256 0 10.2.2.2 Ethernet0/0127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0192.2.2.0/30 DIRECT 0 0 192.2.2.1 Ethernet0/0192.2.2.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 (3) RTC上的邻居状态和路由信息display bgp peer Peer AS-num Ver Queued-Tx Msg-Rx Msg-Tx Up/Down State-10.2.2.2 300 4 0 4 8 00:02:11 Established2.2.2.2 200 4 0 36 38 00:24:48 Establisheddisplay bgp routingFlags: # - valid - active I - internal D - damped H - history S - aggregate suppressed Dest/Mask Next-Hop Med Local-pref Origin Path -#I 1.1.1.1/32 10.1.1.1 0 100 INC 100# 2.2.2.2/32 0.0.0.0 20 100 INC I 2.2.2.2 0 100 INC # 3.3.3.3/32 0.0.0.0 0 100 INC # I 2.2.2.2 20 100 INC # 4.4.4.4/32 10.2.2.2 0 0 INC 300#I 10.1.1.0/30 2.2.2.2 0 100 INC # 10.2.2.0/30 0.0.0.0 0 100 INC # 10.2.2.2 0 0 INC 300#I 17.1.1.1/32 10.1.1.1 0 100 INC 100# 18.1.1.1/32 0.0.0.0 20 100 INC # I 2.2.2.2 0 100 INC # 19.1.1.1/32 0.0.0.0 0 100 INC # I 2.2.2.2 20 100 INC # 20.1.1.1/32 10.2.2.2 0 0 INC 300# 192.2.2.0/30 0.0.0.0 0 100 INC # I 2.2.2.2 0 100 INC display ip routing-table Routing Table: public netDestination/Mask Protocol Pre Cost Nexthop Interface1.1.1.1/32 BGP 256 0 10.1.1.1 Ethernet0/02.2.2.2/32 IS-IS 15 20 192.2.2.1 Ethernet0/03.3.3.3/32 DIRECT 0 0 127.0.0.1 InLoopBack04.4.4.4/32 BGP 256 0 10.2.2.2 Ethernet0/110.1.1.0/30 BGP 256 0 2.2.2.2 Ethernet0/010.2.2.0/30 DIRECT 0 0 10.2.2.1 Ethernet0/110.2.2.1/32 DIRECT 0 0 127.0.0.1 InLoopBack017.1.1.1/32 BGP 256 0 10.1.1.1 Ethernet0/018.1.1.1/32 IS-IS 15 20 192.2.2.1 Ethernet0/019.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack020.1.1.1/32 BGP 256 0 10.2.2.2 Ethernet0/1127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0192.2.2.0/30 DIRECT 0 0 192.2.2.2 Ethernet0/0192.2.2.2/32 DIRECT 0 0 127.0.0.1 InLoopBack0(4) RTD上的邻居状态和路由信息display bgp peer Peer AS-num Ver Queued-Tx Msg-Rx Msg-Tx Up/Down State-10.2.2.1 200 4 0 6 5 00:02:25 Establisheddisplay bgp routingFlags: # - valid - active I - internal D - damped H - history S - aggregate suppressed Dest/Mask Next-Hop Med Local-pref Origin Path -# 1.1.1.1/32 10.2.2.1 0 0 INC 200 100# 2.2.2.2/32 10.2.2.1 20 0 INC 200# 3.3.3.3/32 10.2.2.1 0 0 INC 200# 4.4.4.4/32 0.0.0.0 0 100 INC # 10.1.1.0/30 10.2.2.1 0 0 INC 200# 10.2.2.0/30 0.0.0.0 0 100 INC # 10.2.2.1 0 0 INC 200# 17.1.1.1/32 10.2.2.1 0 0 INC 200 100# 18.1.1.1/32 10.2.2.1 20 0 INC 200# 19.1.1.1/32 10.2.2.1 0 0 INC 200# 20.1.1.1/32 0.0.0.0 0 100 INC # 192.2.2.0/30 10.2.2.1 0 0 INC 200 Routes total: 12 display ip routing-table Routing Table: public netDestination/Mask Protocol Pre Cost Nexthop Interface1.1.1.1/32 BGP 256 0 10.2.2.1 Ethernet0/12.2.2.2/32 BGP 256 20 10.2.2.1 Ethernet0/13.3.3.3/32 BGP 256 0 10.2.2.1 Ethernet0/14.4.4.4/32 DIRECT 0 0 127.0.0.1 InLoopBack010.1.1.0/30 BGP 256 0 10.2.2.1 Ethernet0/110.2.2.0/30 DIRECT 0 0 10.2.2.2 Ethernet0/110.2.2.2/32 DIRECT 0 0 127.0.0.1 InLoopBack017.1.1.1/32 BGP 256 0 10.2.2.1 Ethernet0/118.1.1.1/32 BGP 256 20 10.2.2.1 Ethernet0/119.1.1.1/32 BGP 256 0 10.2.2.1 Ethernet0/120.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0192.2.2.0/30 BGP 256 0 10.2.2.1 Ethernet0/1(5) 各业务网段之间可以互访ping 18.1.1.1 PING 18.1.1.1: 56 data bytes, press CTRL_C to break Reply from 18.1.1.1: bytes=56 Sequence=1 ttl=255 time=3 ms Reply from 18.1.1.1: bytes=56 Sequence=2 ttl=255 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=3 ttl=255 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=4 ttl=255 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=5 ttl=255 time=1 ms - 18.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 1/2/3 msping 19.1.1.1 PING 19.1.1.1: 56 data bytes, press CTRL_C to break Reply from 19.1.1.1: bytes=56 Sequence=1 ttl=254 time=3 ms Reply from 19.1.1.1: bytes=56 Sequence=2 ttl=254 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=3 ttl=254 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=4 ttl=254 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=5 ttl=254 time=2 ms - 19.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/3 msping 20.1.1.1 PING 20.1.1.1: 56 data bytes, press CTRL_C to break Reply from 20.1.1.1: bytes=56 Sequence=1 ttl=253 time=3 ms Reply from 20.1.1.1: bytes=56 Sequence=2 ttl=253 time=2 ms Reply from 20.1.1.1: bytes=56 Sequence=3 ttl=253 time=3 ms Reply from 20.1.1.1: bytes=56 Sequence=4 ttl=253 time=3 ms Reply from 20.1.1.1: bytes=56 Sequence=5 ttl=253 time=3 ms - 20.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/3 msping 17.1.1.1 PING 17.1.1.1: 56 data bytes, press CTRL_C to break Reply from 17.1.1.1: bytes=56 Sequence=1 ttl=253 time=2 ms Reply from 17.1.1.1: bytes=56 Sequence=2 ttl=253 time=3 ms Reply from 17.1.1.1: bytes=56 Sequence=3 ttl=253 time=3 ms Reply from 17.1.1.1: bytes=56 Sequence=4 ttl=253 time=3 ms Reply from 17.1.1.1: bytes=56 Sequence=5 ttl=253 time=3 ms - 17.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/3 msping 18.1.1.1 PING 18.1.1.1: 56 data bytes, press CTRL_C to break Reply from 18.1.1.1: bytes=56 Sequence=1 ttl=254 time=3 ms Reply from 18.1.1.1: bytes=56 Sequence=2 ttl=254 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=3 ttl=254 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=4 ttl=254 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=5 ttl=254 time=2 ms - 18.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/3 msping 19.1.1.1 PING 19.1.1.1: 56 data bytes, press CTRL_C to break Reply from 19.1.1.1: bytes=56 Sequence=1 ttl=255 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=2 ttl=255 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=3 ttl=255 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=4 ttl=255 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=5 ttl=255 time=2 ms - 19.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/2 ms1.6 配置参考1. RTA配置system-viewSystem View: return to User View with Ctrl+Z.Quidwaysysname RTARTAinterface Ethernet0/1RTA-Ethernet0/1ip address 10.1.1.1 255.255.255.252RTA-Ethernet0/1quitRTAinterface LoopBack0RTA-LoopBack0ip address 1.1.1.1 255.255.255.255RTA-LoopBack0quitRTAinterface LoopBack1RTA-LoopBack1ip address 17.1.1.1 255.255.255.255RTA-LoopBack1quitRTAbgp 100RTA-bgpimport-route directRTA-bgpgroup CarrierB externalRTA-bgppeer 10.1.1.2 group CarrierB as-number 200RTA-bgpreturn2. RTB配置system-viewSystem View: return to User View with Ctrl+Z.Quidwaysysname RTBRTBisisRTB-isisnetwork-entity 49.0001.0020.0200.2002.00RTB-isisis-level Level-2RTB-isisquitRTBinterface Ethernet0/0RTB-Ethernet0/0ip address 192.2.2.1 255.255.255.252RTB-Ethernet0/0isis enableRTB-Ethernet0/0quitRTBinterface Ethernet0/1RTB-Ethernet0/1ip address 10.1.1.2 255.255.255.252RTB-Ethernet0/1quitRTBinterface LoopBack0RTB-LoopBack0ip address 2.2.2.2 255.255.255.255RTB-LoopBack0isis enableRTB-LoopBack0quitRTBinterface LoopBack1RTB-LoopBack1ip address 18.1.1.1 255.255.255.255RTB-LoopBack1isis enableRTB-LoopBack1quitRTBbgp 200RTB-bgpimport-route isis RTB-bgpimport-route directRTB-bgpgroup CarrierA externalRTB-bgppeer 10.1.1.1 group Carrier