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Cisco Bug: CSCum18039 - Incorrect traffic rates follow by pend-ack while deleteing QoS classes

Last Modified

Apr 18, 2019

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.2(4)S 15.3(3)S 15.4(1)S 15.4(2)S

Description (partial)

Symptom:
Traffic not flowing on a queue following QoS reconfiguration or new interface creation.  Also possible inability to change QoS configuration on any interface or create new interfaces/sessions following occurrence of this condition.

Conditions:
Queue was previously being over subscribed when it was deleted leaving it in a flowed off congested state such that it would never drain.

This issue affects ASR1K using ESP100 or ESP200, ASR1002X, and ASR1001X platforms only.  

ASR1K using ESP5/10/20/40 and the ASR1001 and ASR1002 are unaffected by this issue/change.
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Bug Details Include

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