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Cisco Bug: CSCur14272 - FIB backwalk not working for recursive pseudowires

Last Modified

Sep 12, 2019

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


Description (partial)

Symptom:Due to an unknown trigger, when an interface goes down, linecard may not get updated due to the FIB backwalk failure even though the CEF component has the right information.
Conditions:Traffic drop.
From log analysis,it shows that the interface information does not get updated in the L3 to L2 notification data.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Related Community Discussions
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