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Cisco Bug: CSCvt36110 - Routing loop with traffic drop after moved locator from algo-0 to another algo

Last Modified

Sep 02, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

7.2.1.BASE

Description (partial)

Symptom:
When the algorithm of the SRv6 locator changes from 0 to non-zero ISIS may keep an invalid stale route in the RIB. This may lead to permanent loop.

Conditions:
ISIS with SRv6 enabled. Algorithm of the SRv6 locator is changed from 0 to non-0.
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