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neighbor 10.1.1.2 remote-as 2
neighbor 10.1.1.2 no shutdown
neighbor 20::2 remote-as 2
neighbor 20::2 no shutdown
bfd all-neighbors
exit-address-family
!
address-family ipv6 unicast vrf vrf1
neighbor 20::2 activate
exit-address-family
DellEMC(conf-router_bgp)#
Disabling BFD for BGP
You can disable BFD for BGP.
To disable a BFD for BGP session with a specied neighbor, use the rst command. To remove the disabled state of a BFD for BGP session
with a specied neighbor, use the second command.
The BGP link with the neighbor returns to normal operation and uses the BFD session parameters globally congured with the bfd all-
neighbors command or congured for the peer group to which the neighbor belongs.
• Disable a BFD for BGP session with a specied neighbor.
ROUTER BGP mode
neighbor {ip-address | peer-group-name} bfd disable
• Remove the disabled state of a BFD for BGP session with a specied neighbor.
ROUTER BGP mode
no neighbor {ip-address | peer-group-name} bfd disable
Displaying BFD for BGP Information
You can display related information for BFD for BGP.
To display information about BFD for BGP sessions on a router, use the following commands and refer to the following examples.
• Verify a BFD for BGP conguration.
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]
• 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]
Examples of Verifying BGP Information
The following example shows verifying a BGP conguration.
R2# show running-config bgp
!
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Bidirectional Forwarding Detection (BFD)