Cisco Bug: CSCvv24156 - FlexAlgo: ISIS crash when ISIS adjacency goes down
Oct 06, 2020
- Cisco IOS
Known Affected Releases
Symptom: Cisco router running IOS XE may crash, if ISIS adjacency goes DOWN for any reason. Conditions: Router is configured with Flex-Algo segment-routing. On the interface it's present flex-algo configuration like shown on the example. interface Ethernet0/2 ... ip router isis 1 isis network point-to-point isis affinity flex-algo name RED name GREEN ! end router isis 1 ... affinity-map GREEN bit-position 250 affinity-map RED bit-position 4 router isis 1 ... affinity-map GREEN bit-position 250 affinity-map RED bit-position 4 Note, it's used bit-position larger than 7.
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