Congure BFD for IS-IS
When using BFD with IS-IS, the IS-IS protocol registers with the BFD manager on the RPM. BFD sessions are then established with all
neighboring interfaces participating in IS-IS. If a neighboring interface fails, the BFD agent on the line card noties the BFD manager, which
in turn noties the IS-IS protocol that a link state change occurred.
Conguring BFD for IS-IS is a two-step process:
1 Enable BFD globally.
2 Establish sessions for all or particular IS-IS neighbors.
Related Conguration Tasks
• Changing IS-IS Session Parameters
• Disabling BFD for IS-IS
Establishing Sessions with IS-IS Neighbors
BFD sessions can be established for all IS-IS neighbors at once or sessions can be established for all neighbors out of a specic interface.
Figure 14. Establishing Sessions with IS-IS Neighbors
To establish BFD with all IS-IS neighbors or with IS-IS neighbors on a single interface, use the following commands.
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Bidirectional Forwarding Detection (BFD)
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