Users Guide

Layer 3 Routing Commands 1237
Default Configuration
BFD is not enabled by default.
Command Mode
Interface (VLAN) Configuration mode
User Guidelines
BFD processing notifies OSPFv3 of level 3 connectivity issues with the peer.
The interface must be a VLAN interfaced enabled for routing.
BFD must also be enabled in OSPFv3 router configuration mode for BFD
processing to occur.
Command History
Introduced in version 6.3.0.1 firmware.
Example
console#configure
console(config)#ipv6 unicast-routing
console(config)#interface vlan 3
console(config-if-vlan3)#ipv6 address fe80::1214
console(config-if-vlan3)#ipv6 ospf area 0
console(config-if-vlan3)#ipv6 ospf bfd
onsole(config-if-vlan3)#exit
console(config)#ipv6 router ospf
console(config-router6)#bfd
neighbor fall-over bfd
This command enables BFD support for a BGP neighbor. Use the no form of
the command to disable BFD for the specified BGP neighbor.
Syntax
neighbor{ ipv4-address | ipv6-address [interface vlan vlan-id ] fall-over bfd
no neighbor { ipv4-address | ipv6-address [interface vlan vlan-id ] fall-over
bfd interval
• ipv4-address—The IPv4 address of a configured neighbor reachable over a
VLAN routing interface expressed in dotted quad notation.