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Cisco Bug: CSCuo55798 - Priority Queue Latency increases significantly during congestion

Last Modified

Feb 09, 2017

Products (25)

  • Cisco Catalyst 2960-X Series Switches
  • Cisco Catalyst 2960X-24PD-L Switch
  • Cisco Catalyst 2960X-24PS-L Switch
  • Cisco Catalyst 2960S-24PD-L Switch
  • Cisco Catalyst 2960X-48LPS-L Switch
  • Cisco Catalyst 2960X-24TS-LL Switch
  • Cisco Catalyst 2960S-48LPS-L Switch
  • Cisco Catalyst 2960S-48TD-L Switch
  • Cisco Catalyst 2960X-48TS-LL Switch
  • Cisco Catalyst 2960X-48TD-L Switch
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Known Affected Releases

15.0(2)EX

Description (partial)

Symptom:
On Egress port queuing if a priority queue is configured, we see an increase in latency during extreme traffic congestion scenarios.

Conditions:
If traffic on an egress port is higher than line rate congesting port.
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Bug Details Include

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  • Status
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