R1(conf-router_bgp)#neighbor 192.168.128.3 no shutR1(conf-router_bgp)#neighbor 192.168.128.3 update-source loop 0R1(conf-router_bgp)#show config!router bgp 99network 192.168.128.0/24neighbor 192.168.128.2 remote-as 99neighbor 192.168.128.2 update-source Loopback 0neighbor 192.168.128.2 no shutdownneighbor 192.168.128.3 remote-as 100neighbor 192.168.128.3 update-source Loopback 0neighbor 192 168 128 3 no shutdownExample of Enabling BGP (Router 2)R2# confR2(conf)#int loop 0R2(conf-if-lo-0)#ip address 192.168.128.2/24R2(conf-if-lo-0)#no shutdownR2(conf-if-lo-0)#show config!interface Loopback 0ip address 192.168.128.2/24no shutdownR2(conf-if-lo-0)#int te 2/11R2(conf-if-te-2/11)#ip address 10.0.1.22/24R2(conf-if-te-2/11)#no shutdownR2(conf-if-te-2/11)#show config!interface TengigabitEthernet 2/11ip address 10.0.1.22/24no shutdownR2(conf-if-te-2/11)#int te 2/31R2(conf-if-te-2/31)#ip address 10.0.2.2/24R2(conf-if-te-2/31)#no shutdownR2(conf-if-te-2/31)#show config!interface TengigabitEthernet 2/31ip address 10.0.2.2/24no shutdownR2(conf-if-te-2/31)#R2(conf-if-te-2/31)#router bgp 99R2(conf-router_bgp)#network 192.168.128.0/24R2(conf-router_bgp)#neighbor 192.168.128.1 remote 99R2(conf-router_bgp)#neighbor 192.168.128.1 no shutR2(conf-router_bgp)#neighbor 192.168.128.1 update-source loop 0R2(conf-router_bgp)#neighbor 192.168.128.3 remote 100R2(conf-router_bgp)#neighbor 192.168.128.3 no shutR2(conf-router_bgp)#neighbor 192.168.128.3 update loop 0R2(conf-router_bgp)#show config!router bgp 99bgp router-id 192.168.128.2network 192.168.128.0/24Example of Enabling BGP (Router 3)R3# confR3(conf)#R3(conf)#int loop 0R3(conf-if-lo-0)#ip address 192.168.128.3/24R3(conf-if-lo-0)#no shutdownR3(conf-if-lo-0)#show config!interface Loopback 0ip address 192.168.128.3/24no shutdownR3(conf-if-lo-0)#int te 3/11R3(conf-if-te-3/11)#ip address 10.0.3.33/24R3(conf-if-te-3/11)#no shutdownR3(conf-if-te-3/11)#show config230 Border Gateway Protocol IPv4 (BGPv4)
