Symptom

Health monitoring alert with the message "Interface is not receiving any packets" is shown on the FMC for some subinterfaces on a port-channel. The subinterfaces that shown this error have 0 in the show traffic counters This is expected behavior because the same interfaces have 0 on the show traffic counters; received and transmitted

Conditions

FTD firewall running subinterfaces -show traffic is at 0 for received and transmitted packet for that subinterface in question. -The interfaces that have increased counters on show traffic output don't have this error

Workaround

Expected behavior

Further Problem Description