Users Guide

Establishing BFD Sessions for IPv6 Static Routes
To establish a BFD session for IPv6 static routes, use the following command.
Establish BFD sessions for all neighbors that are the next hop of a static route.
ipv6 route bfd [interval interval min_rx min_rx multiplier value role {active | passive}]
CONFIGURATION Mode
Enter the time interval for sending and receiving BFD control packets from 50 to 1000.
NOTE: By default, OSPF uses the following BFD parameters for it's neighbors: min_tx = 200 msec, min_rx = 200 msec,
multiplier = 3, role = active. The values are configured in milliseconds
Establishing BFD Sessions for IPv6 Static Routes in a non-default VRF
instance
To establish a BFD session for IPv6 static routes in a non-default VRF instance, use the following command.
Establish BFD sessions for all neighbors that are the next hop of a static route.
ipv6 route bfd [vrf vrf-name] [interval interval min_rx min_rx multiplier value role
{active | passive}]
CONFIGURATION Mode
Enter the time interval for sending and receiving BFD control packets from 50 to 1000.
NOTE:
By default, OSPF uses the following BFD parameters for it's neighbors: min_tx = 200 msec, min_rx = 200 msec,
multiplier = 3, role = active. The values are configured in milliseconds
Changing IPv6 static route session parameters
To change parameters for IPv6 static route sessions:
● Change the parameters for all static route sessions in CONFIGURATION mode.
ipv6 route bfd interval milliseconds min_rx milliseconds multiplier value role [active |
passive]
Enter the time interval for sending and receiving BFD control packets; from 50 to 1000.
NOTE:
By default, OSPF uses the following BFD parameters for its neighbors: min_tx = 200 msec, min_rx = 200 msec,
multiplier = 3, role = active.
Enable BFD for specific static routes
To enable BFD for specific static routes:
● Configure static routes on both local and remote routers. Configure static route in such a way that the next-hop interfaces
point to each other.
● Configure BFD for a specific IPv4 static route using the following command in CONFIGURATION mode:
ip route [vrf vrf-name] dest-ip-prefix mask {next-hop [interface interface-type]
[route-preference]} bfd
● Configure BFD for a specific IPv6 static route using the following command in CONFIGURATION mode:
ipv6 route [vrf vrf-name] dest-ipv6–prefix mask {next-hop [interface interface-type]
[route-preference]} bfd
The following is an example configuration for enabling BFD for specific static routes on the default VRF:
OS10(config)#ip route 10.2.2.0/24 10.1.1.1 bfd
780
Layer 3