Cisco Bug: CSCuq25023 - isis_nc_upd_state_sync_p2p will not wait for PSNP packets and delete adj
Last Modified
Aug 14, 2017
Products (1)
- Cisco IOS
Known Affected Releases
15.4(1.14)S
Description (partial)
Symptom: ISIS Adjacency is deleted following switchover causing a flap Conditions: This happens only if : 1) nsf cisco is configured 2) point to point links are present 3) Multiple boolean events occur while waiting for PSNP packets from the P2P neighbor (It can happen in the case of a bug in the code similar to CSCuq33025 or it could happen in a scale scenario)
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