Figure 9-41. Enable Peer Group - Router 1
R1#conf
R1(conf)#router bgp 99
R1(conf-router_bgp)# network 192.168.128.0/24
R1(conf-router_bgp)# neighbor AAA peer-group
R1(conf-router_bgp)# neighbor AAA no shutdown
R1(conf-router_bgp)# neighbor BBB peer-group
R1(conf-router_bgp)# neighbor BBB no shutdown
R1(conf-router_bgp)# neighbor 192.168.128.2 peer-group AAA
R1(conf-router_bgp)# neighbor 192.168.128.3 peer-group BBB
R1(conf-router_bgp)#
R1(conf-router_bgp)#show config
!
router bgp 99
network 192.168.128.0/24
neighbor AAA peer-group
neighbor AAA no shutdown
neighbor BBB peer-group
neighbor BBB no shutdown
neighbor 192.168.128.2 remote-as 99
neighbor 192.168.128.2 peer-group AAA
neighbor 192.168.128.2 update-source Loopback 0
neighbor 192.168.128.2 no shutdown
neighbor 192.168.128.3 remote-as 100
neighbor 192.168.128.3 peer-group BBB
neighbor 192.168.128.3 update-source Loopback 0
neighbor 192.168.128.3 no shutdown
R1#
R1#show ip bgp summary
BGP router identifier 192.168.128.1, local AS number 99
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 96 bytes of memory
2 BGP AS-PATH entrie(s) using 74 bytes of memory
2 neighbor(s) using 8672 bytes of memory
Neighbor
AS
MsgRcvd
192.168.128.2
99
192.168.128.3
100
!
R1#show ip bgp neighbors
BGP neighbor is 192.168.128.2, remote AS 99, internal link
Member of peer-group AAA for session parameters
BGP version 4, remote router ID 192.168.128.2
BGP state ESTABLISHED, in this state for 00:00:37
Last read 00:00:36, last write 00:00:36
Hold time is 180, keepalive interval is 60 seconds
Received 23 messages, 0 in queue
2 opens, 0 notifications, 2 updates
19 keepalives, 0 route refresh requests
Sent 24 messages, 0 in queue
2 opens, 1 notifications, 2 updates
19 keepalives, 0 route refresh requests
Minimum time between advertisement runs is 5 seconds
Minimum time before advertisements start is 0 seconds
MsgSent
TblVer
InQ
23
24
1
0
30
29
1
0
OutQ Up/Down
State/Pfx
(0) 00:00:17
1
(0) 00:00:14
1
Border Gateway Protocol | 247