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Cisco Bug: CSCur31964 - MVPN punts may corrupt QoS profiles

Last Modified

Jan 18, 2017

Products (8)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases

4.2.0.1i.BASE 5.3.2.BASE

Description (partial)

Symptom:
- 100% of traffic matching a particular QoS policing profile will be dropped regardless of rate. 
 - an invalid profile is used (see below)

#show qoshal police np 3 index 599 1 location 0/1/CPU0

Tue Nov 11 18:19:31.221 UTC
POLICE Nodes: NP 3 start_index 599 count 1
===============================================================
POLICE-NODE: np 3 type 0 index 599 qifh 0x1312817339 chk_rec 234616
           tokbkt_id 0x1d2016 stats 0x79685/0x79686/0x79687 pfl_id 98 committed 1
            [D]TB - tokbkt_id: 0x1d2016, profile:182, color:2

Conditions:
The following conditions are required:
 a. Trident LC
 b. MVPN traffic is present on a given NP within the Trident LC
 c. QoS policing is present on the same NP which also has MVPN traffic.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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