The peer bfd block command prevents a peer from inheriting the BFD function of its peer group.
The undo peer bfd block command restores the default configuration.
By default, a peer inherits the BFD function from its peer group.
Usage Scenario
BFD provides millisecond-level fault detection. It helps BGP to detect faults in neighboring devices or links more quickly, and instructs BGP to recalculate routes for correct packet forwarding. If a peer group is configured with BFD, all members of the peer group will establish BFD sessions. The peer bfd block command can be used to prevent a peer from inheriting the BFD function from its peer group.
<HUAWEI> system-view [~HUAWEI] ip vpn-instance vpna [*HUAWEI-vpn-instance-vpna] ipv4-family [*HUAWEI-vpn-instance-vpna-af-ipv4] route-distinguisher 100:1 [*HUAWEI-vpn-instance-vpna-af-ipv4] vpn-target 111:1 both [*HUAWEI-vpn-instance-vpna-af-ipv4] quit [*HUAWEI-instance-vpna] quit [*HUAWEI] bgp 100 instance a [*HUAWEI-bgp-instance-a] vpn-instance vpna [*HUAWEI-bgp-instance-a-instance-vpna] peer 10.1.1.1 as-number 100 [*HUAWEI-bgp-instance-a-instance-vpna] peer 10.1.1.1 bfd block