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• Configure BFD for IS-IS
• Configure BFD for BGP
• Configure BFD for VRRP
• Configuring Protocol Liveness
Configure BFD for Static Routes
Configuring BFD for static routes is supported on the Z9500 switch..
BFD offers systems a link state detection mechanism for static routes. With BFD, systems are notified to
remove static routes from the routing table as soon as the link state change occurs, rather than waiting
until packets fail to reach their next hop.
Configuring BFD for static routes is a three-step process:
1. Enable BFD globally.
2. Configure static routes on both routers on the system (either local or remote).
3. Configure an IP route to connect BFD on the static routes using the ip route bfd command.
Related Configuration Tasks
• Changing Static Route Session Parameters
• Disabling BFD for Static Routes
Establishing Sessions for Static Routes
Sessions are established for all neighbors that are the next hop of a static route.
Figure 11. Establishing Sessions for Static Routes
To establish a BFD session, use the following command.
• Establish BFD sessions for all neighbors that are the next hop of a static route.
CONFIGURATION mode
ip route bfd
Example of the show bfd neighbors Command to Verify Static Routes
To verify that sessions have been created for static routes, use the show bfd neighbors command.
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Bidirectional Forwarding Detection (BFD)