Administrator Guide

• Verify a BFD for BGP configuration.
EXEC Privilege mode
show running-config bgp
• Verify that a BFD for BGP session has been successfully established with a BGP neighbor. A line-by-line
listing of established BFD adjacencies is displayed.
EXEC Privilege mode
show bfd neighbors [interface] [detail]
• Display BFD packet counters for sessions with BGP neighbors.
EXEC Privilege mode
show bfd counters bgp [interface]
• Check to see if BFD is enabled for BGP connections.
EXEC Privilege mode
show ip bgp summary
• Displays routing information exchanged with BGP neighbors, including BFD for BGP sessions.
EXEC Privilege mode
show ip bgp neighbors [ip-address]
Example of Verifying BGP Configuration
Example of Viewing All BFD Neighbors
Example of Viewing BFD Neighbor Detail
Example of Viewing Configured BFD Counters
Example of Viewing BFD Summary Information
Example of Viewing BFD Information for a Specified Neighbor
R2# show running-config bgp
!
router bgp 2
neighbor 1.1.1.2 remote-as 1
neighbor 1.1.1.2 no shutdown
neighbor 2.2.2.2 remote-as 1
neighbor 2.2.2.2 no shutdown
neighbor 3.3.3.2 remote-as 1
neighbor 3.3.3.2 no shutdown
bfd all-neighbors
R2# show bfd neighbors
* - Active session role
Ad Dn - Admin Down
B - BGP
C - CLI
I - ISIS
O - OSPF
R - Static Route (RTM)
M - MPLS
V - VRRP
LocalAddr RemoteAddr Interface State Rx-int Tx-int Mult Clients
* 1.1.1.3 1.1.1.2 Te 6/0 Up 200 200 3
B
* 2.2.2.3 2.2.2.2 Te 6/1 Up 200 200 3 B
* 3.3.3.3 3.3.3.2 Te 6/2 Up 200 200 3 B
Bidirectional Forwarding Detection (BFD) 183