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Cisco Bug: CSCvs15542 - HQoS: WRED drops in underloaded child classes with low parent shaper rates

Last Modified

Jun 19, 2020

Products (11)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9910 Router
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9901 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9906 Router
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Known Affected Releases

7.1.2.BASE

Description (partial)

Symptom:
WRED drops are observed in HQoS LP child classes, although they are not utilized.

Conditions:
The parent shaper rate is below 30 Mbps. The WRED profile of the affected class includes low min and max threshold values.
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Bug Details Include

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  • Status
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