!interface TengigabitEthernet 3/11ip address 10.0.3.33/24no shutdownR3(conf-if-lo-0)#int te 3/21R3(conf-if-te-3/21)#ip address 10.0.2.3/24R3(conf-if-te-3/21)#no shutdownR3(conf-if-te-3/21)#show config!interface TengigabitEthernet 3/21ip address 10.0.2.3/24no shutdownR3(conf-if-te-3/21)#R3(conf-if-te-3/21)#router bgp 100R3(conf-router_bgp)#show config!router bgp 100R3(conf-router_bgp)#network 192.168.128.0/24R3(conf-router_bgp)#neighbor 192.168.128.1 remote 99R3(conf-router_bgp)#neighbor 192.168.128.1 no shutR3(conf-router_bgp)#neighbor 192.168.128.1 update-source loop 0R3(conf-router_bgp)#neighbor 192.168.128.2 remote 99R3(conf-router_bgp)#neighbor 192.168.128.2 no shutR3(conf-router_bgp)#neighbor 192.168.128.2 update loop 0R3(conf-router_bgp)#show configExample of Enabling Peer Groups (Router 1)confR1(conf)#router bgp 99R1(conf-router_bgp)# network 192.168.128.0/24R1(conf-router_bgp)# neighbor AAA peer-groupR1(conf-router_bgp)# neighbor AAA no shutdownR1(conf-router_bgp)# neighbor BBB peer-groupR1(conf-router_bgp)# neighbor BBB no shutdownR1(conf-router_bgp)# neighbor 192.168.128.2 peer-group AAAR1(conf-router_bgp)# neighbor 192.168.128.3 peer-group BBBR1(conf-router_bgp)#R1(conf-router_bgp)#show config!router bgp 99network 192.168.128.0/24neighbor AAA peer-groupneighbor AAA no shutdownneighbor BBB peer-groupneighbor BBB no shutdownneighbor 192.168.128.2 remote-as 99neighbor 192.168.128.2 peer-group AAAneighbor 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 peer-group BBBneighbor 192.168.128.3 update-source Loopback 0neighbor 192.168.128.3 no shutdownR1#R1#show ip bgp summaryBGP router identifier 192.168.128.1, local AS number 99BGP table version is 1, main routing table version 11 network entrie(s) using 132 bytes of memory3 paths using 204 bytes of memoryBGP-RIB over all using 207 bytes of memory2 BGP path attribute entrie(s) using 96 bytes of memory2 BGP AS-PATH entrie(s) using 74 bytes of memory2 neighbor(s) using 8672 bytes of memoryNeighbor AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/Pfx192.168.128.2 99 23 24 1 0 (0) 00:00:17 1Capabilities received from neighbor for IPv4 Unicast :MULTIPROTO_EXT(1)ROUTE_REFRESH(2)CISCO_ROUTE_REFRESH(128)Capabilities advertised to neighbor for IPv4 Unicast :Border Gateway Protocol IPv4 (BGPv4) 231
