Reference Guide

110 | Bidirectional Forwarding Detection (BFD)
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Displaying BFD for BGP Information
To display information about BFD for BGP sessions on a router, enter one of the following show
commands:
The following examples show the BFD for BGP output displayed for these
show commands.
Figure 7-9. Verifying a BFD for BGP Configuration: show running-config bgp Command
Figure 7-10. Verifying BFD Sessions with BGP Neighbors: show bfd neighbors Command
Task Command Command Mode
Verify a BFD for BGP configuration. show running-config bgp
Figure 7-9
EXEC Privilege
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.
show bfd neighbors [interface] [detail]
Figure 7-10 and Figure 7-11
EXEC Privilege
Check to see if BFD is enabled for BGP
connections.
show ip bgp summary
Figure 7-13
EXEC Privilege
Displays routing information exchanged with
BGP neighbors, including BFD for BGP
sessions.
show ip bgp neighbors [ip-address]
Figure 7-14
EXEC Privilege
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 100 100 3 B
* 2.2.2.3 2.2.2.2 Te 6/1 Up 100 100 3 B
* 3.3.3.3 3.3.3.2 Te 6/2 Up 100 100 3 B