Users Guide

Table Of Contents
router bgp 1
!
address-family ipv4 vrf vrf1
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 specified neighbor, use the first command. To remove the disabled state of a BFD for
BGP session with a specified neighbor, use the second command.
The BGP link with the neighbor returns to normal operation and uses the BFD session parameters globally configured with the
bfd all-neighbors command or configured for the peer group to which the neighbor belongs.
Disable a BFD for BGP session with a specified neighbor.
ROUTER BGP mode
neighbor {ip-address | ipv6address |peer-group-name} bfd disable
Remove the disabled state of a BFD for BGP session with a specified neighbor.
ROUTER BGP mode
no neighbor {ip-address | ipv6address | 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 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]
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]
The following example shows verifying a BGP configuration.
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
Bidirectional Forwarding Detection (BFD)
149