bgp peer group对等体组配置

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1、BGPPeerGroup对等体组配置拓扑及配置有异于上篇文章在AS1内部起RIP协议，使R1R2R3互通，然后在所有路由器上起BGP协议。对R1只起一个peer-group，把R2 R3放进这个对等体组中。又R2  R3会存在IBGP水平分割，会互相学习不到对方的环回，我们又在R1上做了路由反射器，R2 R3作为客户端。 R1:interfaceLoopback0 ipaddress1.1.1.1255.255.255.0!interfaceSerial0/0 ipaddress14.14.14.1255.255.255.0!interfaceSeria

2、l0/1 ipaddress15.15.15.1255.255.255.0!interfaceSerial0/2 ipaddress12.12.12.1255.255.255.0!interfaceSerial0/3 ipaddress13.13.13.1255.255.255.0!routerrip version2 network1.0.0.0 network12.0.0.0 network13.0.0.0 noauto-summary!routerbgp1 nosynchronization bgprouter-id1.1.1.1 bgplog-n

3、eighbor-changes network1.1.1.0mask255.255.255.0 neighbor as1 peer-group                  //定义一个peer-group，名为as1 neighbor  as1 remote-as1 neighbor  as1  update-sourceLoopback0 neighbor  as1  route-reflector-client   //as1中的路由器都作为路由反射器客户 neighbor as1  next-hop-self neighbor2.2.2.2p

4、eer-groupas1 neighbor3.3.3.3peer-groupas1 neighbor14.14.14.4remote-as4 neighbor15.15.15.5remote-as5 no  auto-summary 对于其它四台路由器都是做正常的普通BGP配置：R2:interfaceLoopback0 ipaddress2.2.2.2255.255.255.0!interfaceSerial0/0 ipaddress12.12.12.2255.255.255.0!routerrip version2 network2.0.0.0 ne

5、twork12.0.0.0 noauto-summary!routerbgp1 nosynchronization bgprouter-id2.2.2.2 bgplog-neighbor-changes network2.2.2.0mask255.255.255.0 neighbor1.1.1.1remote-as1 neighbor1.1.1.1update-sourceLoopback0 noauto-summary R3:interfaceLoopback0 ipaddress3.3.3.3255.255.255.0!interfaceSerial

6、0/0 ipaddress13.13.13.3255.255.255.0!routerrip version2 network3.0.0.0 network13.0.0.0 noauto-summary!routerbgp1 nosynchronization bgprouter-id3.3.3.3 bgplog-neighbor-changes network3.3.3.0mask255.255.255.0 neighbor1.1.1.1remote-as1 neighbor1.1.1.1update-sourceLoopback0 noauto-su

7、mmary R4:interfaceLoopback0 ipaddress4.4.4.4255.255.255.0!interfaceSerial0/0 ipaddress14.14.14.4255.255.255.0!routerbgp4 nosynchronization bgprouter-id4.4.4.4 bgplog-neighbor-changes network4.4.4.0mask255.255.255.0 neighbor14.14.14.1remote-as1 noauto-summary R5:interfaceLoopback0

8、 ipaddress5.5.5.5255.255.255.0!interface