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Cisco Bug: CSCur16879 - VRF delete removes all NHIDs programmed for any interface

Last Modified

May 10, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

5.2.2.BASE

Description (partial)

Symptom:
Traffic drop due to NHID programming removed when VRF is deleted.

On ASR9k, drops can be observed with RSV_DROP_NHINDEX reason

Conditions:
Platform using NHIDs, that is NCS6k and ASR9k.

A VRF is unconfigured, or if SVD enabled the last interface in a given VRF is removed from a linecard, as this results in a VRF delete on the linecards.
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