HPE7-A08 · Question #226
You have configured BFD for OSPF on a CX switch and have noticed the BFD session stays down but the OSPF neighbor state is up. What could explain this behavior?
The correct answer is B. BFD is not supported on OSPF broadcast links, so OSPF ignores the config. BFD is not supported on OSPF broadcast networks for certain CX switch configurations. In this case, OSPF continues to maintain neighbor relationships, but the BFD session remains down because it is ignored on broadcast links.
Question
You have configured BFD for OSPF on a CX switch and have noticed the BFD session stays down but the OSPF neighbor state is up. What could explain this behavior?
Options
- AThe remote switch does not support BFD.
- BBFD is not supported on OSPF broadcast links, so OSPF ignores the config.
- CBFD has not been enabled at the global configuration level.
- DThe local switch uses OSPFv3, but the remote switch uses OSPFv2.
How the community answered
(29 responses)- A14% (4)
- B59% (17)
- C24% (7)
- D3% (1)
Explanation
BFD is not supported on OSPF broadcast networks for certain CX switch configurations. In this case, OSPF continues to maintain neighbor relationships, but the BFD session remains down because it is ignored on broadcast links.
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