Users Guide
BGP neighbor is 100.100.100.100, remote AS 65517, internal link
 Member of peer-group test for session parameters
 BGP version 4, remote router ID 30.30.30.5
 BGP state ESTABLISHED, in this state for 00:19:15
 Last read 00:00:15, last write 00:00:06
 Hold time is 180, keepalive interval is 60 seconds
 Received 52 messages, 0 notifications, 0 in queue
 Sent 45 messages, 5 notifications, 0 in queue
 Received 6 updates, Sent 0 updates
 Route refresh request: received 0, sent 0
 Minimum time between advertisement runs is 5 seconds
 Minimum time before advertisements start is 0 seconds
 Capabilities received from neighbor for IPv4 Unicast :
 MULTIPROTO_EXT(1)
 ROUTE_REFRESH(2)
 CISCO_ROUTE_REFRESH(128)
 Capabilities advertised to neighbor for IPv4 Unicast :
 MULTIPROTO_EXT(1)
 ROUTE_REFRESH(2)
 CISCO_ROUTE_REFRESH(128)
fall-over enabled
Update source set to Loopback 0
Peer active in peer-group outbound optimization
For address family: IPv4 Unicast
BGP table version 52, neighbor version 52
4 accepted prefixes consume 16 bytes
Prefix advertised 0, denied 0, withdrawn 0
Connections established 6; dropped 5
Last reset 00:19:37, due to Reset by peer
Notification History
 'Connection Reset' Sent : 5 Recv: 0
Local host: 200.200.200.200, Local port: 65519
Foreign host: 100.100.100.100, Foreign port: 179
Dell#
To verify that fast fall-over is enabled on a peer-group, use the show ip bgp peer-group command (shown in bold).
Dell#sh ip bgp peer-group
Peer-group test
 fall-over enabled
 BGP version 4
 Minimum time between advertisement runs is 5 seconds
 For address family: IPv4 Unicast
 BGP neighbor is test
 Number of peers in this group 1
 Peer-group members (* - outbound optimized):
 100.100.100.100*
Dell#
router bgp 65517
 neighbor test peer-group
 neighbor test 
fall-over
 neighbor test no shutdown
 neighbor 100.100.100.100 remote-as 65517
 neighbor 100.100.100.100 fall-over
 neighbor 100.100.100.100 update-source Loopback 0
Border Gateway Protocol IPv4 (BGPv4)
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