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Cisco Bug: CSCvt71302 - ISIS Conditional Prefix Advertisement not complete solution in some scenario

Last Modified

Sep 02, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

7.2.1.BASE

Description (partial)

Symptom:
If the router eanble ISIS Conditional Prefix Advertisement, although feature workable and not adv anycast sid when match conditional, but transit packets will be dropped at the router.

Conditions:
1. Have interconnected link between anycast peer
2. ISIS Conditional Prefix Advertisement workable at the router, but packets flow to peer via the router.
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