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De-registration : 0
Init
: 0
Up
: 1
Down
: 0
Admin Down
: 2
The following example shows viewing BFD summary information.
The bold line shows the message displayed when you enable BFD for BGP connections.
R2# show ip bgp summary
BGP router identifier 10.0.0.1, local AS number 2
BGP table version is 0, main routing table version 0
BFD is enabled, Interval 200 Min_rx 200 Multiplier 3 Role Active
3 neighbor(s) using 24168 bytes of memory
Neighbor AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down
1.1.1.2
1
282
2.2.2.2
1
273
3.3.3.2
1
282
The following example shows viewing BFD information for a specified neighbor.
The bold lines show the message displayed when you enable a BFD session with different configurations:
•
Message displays when you enable a BFD session with a BGP neighbor that inherits the global BFD
session settings configured with the global bfd all-neighbors command.
•
Message displays when you enable a BFD session with a BGP neighbor using the neighbor ip-
address bfd command.
•
Message displays when you enable a BGP neighbor in a peer group for which you enabled a BFD session
using the neighbor peer-group-name bfd command
R2# show ip bgp neighbors 2.2.2.2
BGP neighbor is 2.2.2.2, remote AS 1, external link
BGP version 4, remote router ID 12.0.0.4
BGP state ESTABLISHED, in this state for 00:05:33
Last read 00:00:30, last write 00:00:30
Hold time is 180, keepalive interval is 60 seconds
Received 8 messages, 0 in queue
1 opens, 0 notifications, 0 updates
7 keepalives, 0 route refresh requests
Sent 9 messages, 0 in queue
2 opens, 0 notifications, 0 updates
7 keepalives, 0 route refresh requests
Minimum time between advertisement runs is 30 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)
Neighbor is using BGP global mode BFD configuration
For address family: IPv4 Unicast
BGP table version 0, neighbor version 0
281
0
0
273
0
0
281
0
0
State/Pfx
0
00:38:12
0
(0)
04:32:26
0
0
00:38:12
0
Bidirectional Forwarding Detection (BFD)
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Troubleshooting
