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Neighbor AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/Pfx
192.168.128.1 99 140 136 2 0 (0) 00:11:24 1
192.168.128.3 100 138 140 2 0 (0) 00:18:31 1
R2#show ip bgp neighbor
BGP neighbor is 192.168.128.1, remote AS 99, internal link
Member of peer-group AAA for session parameters
BGP version 4, remote router ID 192.168.128.1
BGP state ESTABLISHED, in this state for 00:11:42
Last read 00:00:38, last write 00:00:38
Hold time is 180, keepalive interval is 60 seconds
Received 140 messages, 0 in queue
6 opens, 2 notifications, 19 updates
113 keepalives, 0 route refresh requests
Sent 136 messages, 0 in queue
12 opens, 3 notifications, 6 updates
115 keepalives, 0 route refresh requests
Minimum time between advertisement runs is 5 seconds
Minimum time before advertisements start is 0 seconds
Example of Enabling Peer Groups (Router 3)
R3#conf
R3(conf)#router bgp 100
R3(conf-router_bgp)# neighbor AAA peer-group
R3(conf-router_bgp)# neighbor AAA no shutdown
R3(conf-router_bgp)# neighbor CCC peer-group
R3(conf-router_bgp)# neighbor CCC no shutdown
R3(conf-router_bgp)# neighbor 192.168.128.2 peer-group BBB
R3(conf-router_bgp)# neighbor 192.168.128.2 no shutdown
R3(conf-router_bgp)# neighbor 192.168.128.1 peer-group BBB
R3(conf-router_bgp)# neighbor 192.168.128.1 no shutdown
R3(conf-router_bgp)#
R3(conf-router_bgp)#end
R3#show ip bgp summary
BGP router identifier 192.168.128.3, local AS number 100
BGP table version is 1, main routing table version 1
1 network entrie(s) using 132 bytes of memory
3 paths using 204 bytes of memory
BGP-RIB over all using 207 bytes of memory
2 BGP path attribute entrie(s) using 128 bytes of memory
2 BGP AS-PATH entrie(s) using 90 bytes of memory
2 neighbor(s) using 9216 bytes of memory
Neighbor AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/Pfx
192.168.128.1 99 93 99 1 0 (0) 00:00:15 1
192.168.128.2 99 122 120 1 0 (0) 00:00:11 1
R3#show ip bgp neighbor
BGP neighbor is 192.168.128.1, remote AS 99, external link
Member of peer-group BBB for session parameters
BGP version 4, remote router ID 192.168.128.1
BGP state ESTABLISHED, in this state for 00:00:21
Last read 00:00:09, last write 00:00:08
Hold time is 180, keepalive interval is 60 seconds
Received 93 messages, 0 in queue
5 opens, 0 notifications, 5 updates
83 keepalives, 0 route refresh requests
Sent 99 messages, 0 in queue
5 opens, 4 notifications, 5 updates
Border Gateway Protocol IPv4 (BGPv4)
213