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Cisco Bug: CSCut02462 - Typhoon: 10G OTN port is seeing bogus UC errors with i.7 FEC

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

5.3.1.BASE

Description (partial)

Symptom:
'show controller dwdm' output is showing lot of UC (uncorrectable) FEC errors.

Conditions:
Extreme noisy environment with fiber length of 1000 km or more.
The issue is seen only with 'g709 fec enhanced i.7'.

controller dwdm0/6/0/0
 g709 fec enhanced i.7
 admin-state in-service
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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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