bfd

Enables Bidirectional Forwarding Detection (BFD).
Syntax
bfd
no bfd
Command Default

BFD is disabled by default.

Modes

BGP configuration mode

BGP address-family IPv4 unicast VRF configuration mode

BGP address-family IPv6 unicast VRF configuration mode

OSPF router configuration mode

OSPF router VRF configuration mode

OSPFv3 router configuration mode

OSPFv3 router VRF configuration mode

Usage Guidelines

Use this command in OSPF router configuration mode to configure BFD globally on all OSPFv2 interfaces with default session parameters. Use this command in OSPFv3 router configuration mode to configure BFD globally on all OSPFv3 interfaces with default session parameters.

Use this command in BGP configuration mode to enable or disable BFD sessions for BFD peers on all interfaces for this BGP instance.

This command is supported for ICX 7850 devices only.

The no form of the command disables BFD if it has been enabled.

Examples

The following example enables BFD globally in BGP configuration mode. 

device# configure terminal
device(config)# router bgp
device(config-bgp-router)# bfd

The following example enables BFD globally in OSPF router configuration mode. 

device# configure terminal
device(config)# router ospf
device(config-ospf-router)# bfd

The following example enables BFD globally in OSPFv3 router configuration mode. 

device# configure terminal
device(config)# ipv6 router ospf
device(config-ospf6-router)# bfd
History
Release version Command history
08.0.90 This command was introduced.
Parent topic: Commands A and B