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Cisco Bug: CSCun13999 - After adding QoS w/ 'fair-queue' see PLIM driver informational error msg

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:
Under interface superscription condition we might see the following error message on router console:

%CMCC-3-PLIM_STATUS: SIP0: cmcc:  A PLIM driver informational error TXMC0 - txmcBufferOverflow, block 1f count c8

Conditions:
When "fair-queue" is used in QoS policy-map, under interface subscription condition the flow-control between BQS and SPA might excommunicate, hence the error message is printed.

%CMCC-3-PLIM_STATUS: SIP0: cmcc:  A PLIM driver informational error TXMC0 - txmcBufferOverflow, block 1f count c8
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