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Cisco Bug: CSCvu95076 - Trunk internal loop sometime causing LOF on peer client interop ports after power cycle

Last Modified

Aug 12, 2020

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)


LOF on controller 0/x/0/1 1.2T card with OTU4 configured on client ports after a power cycle with a Netwrok terminal loopback in place.

1.2T card with client ports running OTU4.
Client port connected to an OTN-XP trunk port.
Network terminal loopback on 1.2T trunk port.
Execute a power cycle.
The issue has been seen once out of 100 iterations.
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Bug Details Include

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  • Status
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