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Cisco Bug: CSCun56668 - ELO doesn't sweep stale UDLF faults after platform resync

Last Modified

Aug 01, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

4.0.0.BASE

Description (partial)

Symptom:

An interface may remain "down" (either error-disabled or EFD'd) when the uni-directional link-fault (UDLF) that triggered it is no longer present.

Conditions:

This may occur if the uni-directional link-fault is cleared at approximately the same time as a process restart of either the driver process or the ethernet_link_oam_daemon process. It can only occur if UDLF detection is enabled on the interface.
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