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Cisco Bug: CSCun28083 - Priority Queue not working as expected on 6800 IA ports

Last Modified

Jan 31, 2017

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.1(2)SY1.17

Description (partial)

Symptom:
Queuing doesn't work on 6800 IA ports when there is an oversubscription. On congestion scenario, priority traffic (DSCP 40 and DSCP 46) not served first as compared to other streams.

Conditions:
Send an over-subscribed traffic (priority stream and other stream combined together more than egress interface capacity).
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