Enabling Bfd On A Static Route - Cisco ASR 9000 Series Configuration Manual

Implementing BFD
• BFD is supported for connections over the following interface types:
• Cisco IOS XR software supports BFD Version 0 and Version 1. BFD sessions are established using

Enabling BFD on a Static Route

The following procedure describes how to enable BFD on a static route.
Note Bundle VLAN sessions are restricted to an interval of 250 milliseconds and a multiplier of 3. More
aggressive parameters are not allowed.
SUMMARY STEPS
1. configure
2. router static
3. address-family ipv4 unicast address nexthop bfd fast-detect [minimum-interval interval] [multiplier
multiplier]
4. vrf vrf-name
5. address-family ipv4 unicast address nexthop bfd fast-detect
6. commit
OL-30423-03
When multiple applications share the same BFD session, the application with the most
Note
aggressive timer wins locally. Then, the result is negotiated with the peer router.
◦ Gigabit Ethernet (GigE)
◦ Ten Gigabit Ethernet (TenGigE)
◦ Packet-over-SONET/SDH (POS)
◦ Serial
◦ Virtual LAN (VLAN)
◦ Bridge Group Virtual Interface (BVI)
◦ Satellite Interface
◦ Logical interfaces such as bundles, GRE, PWHE
BFD is supported on the above interface types and not on logical interfaces unless
Note
specifically stated.
either version, depending upon the neighbor. BFD Version 1 is the default version and is tried initially
for session creation.
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
BFD for IPv4
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