Symptom

A C9606R switch experiences an unexpected reload during Ethernet channel (port aggregation) configuration. The reload reason is captured as: Critical process fed fault on fp_0_0 (rc=139) The device generates a system-report with a fed process core file inside.

Conditions

Ethernet channel (port aggregation) configuration is applied prior to the crash, as example: (config)#int FiftyGigE2/6/0/22 (config)#channel-group 167 mode active port-channel coming up logs can be seen afterwards: %LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel167, changed state to up

Workaround

No workaround available, if suspecting of this defect open a tac case for core file analysis

Further Problem Description