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Cisco Bug: CSCvs84420 - when port0 become down on A9k-2x100GE-TR, port1 also flaps unexpectedly

Last Modified

Sep 02, 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 9912 Router
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Known Affected Releases

6.2.3.BASE

Description (partial)

Symptom:
When customer did shutdown the neighbor port of Hu0/8/0/0 (A9K-2x100GE-TR) on ASR9922, not only Hu0/8/0/0 was down as "Detected Rx Loss of Signal" but also the Hu0/8/0/1 was down as "Detected Signal failure". Customer has recovered through reload of the linecard.

Conditions:
The issue happens very rarely, couldnt be seen on CALO too.
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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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