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Cisco Bug: CSCvt06503 - PFC watchdog Queues stuck in R state due to multiplier at interface level is reset to zero

Last Modified

Jun 09, 2020

Products (1)

  • Cisco 8000 Series Routers

Known Affected Releases

7.0.12.BASE

Description (partial)

Release-note

Symptom:
After disabling watchdog at interface and triggering config replace, we hit the issue - watchdog multiplier at interface level is reset to zero, but watchdog state is enabled. 
In this state, Pause storm of P3, P4 traffic makes the Queue to be stuck in "R- waiting to restore" state, even after Pause storm is stopped.

Conditions:
disable watchdog at interface and triggering config replace. New config has PFC enabled for this interface.
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