Symptom

Port-channel member interfaces are lost and status is down after software upgrade. Before software upgrade: firepower(config-if)# show int ip brief .. Port-channel1 unassigned YES unset up up <===== Port-channel8 unassigned YES unset up up <===== After software upgrade: firepower# show int ip brief ... Port-channel1 unassigned YES unset down down <===== Port-channel8 unassigned YES unset down down <===== - Port-channel interfaces do not have members: firepower# connect fxos admin firepower# connect local-mgmt firepower-1010(local-mgmt)# show portchannel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) M - Not in use. Min-links not met ------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 8 Po8(D) Eth LACP <==== No interfaces 1 Po1(D) Eth LACP <==== No interfaces

Conditions

- Firepower 1010 with port-channel interfaces - Software upgrade to version ASA 9.16.2 Firepower 1010 running FTD is likely also affected.

Workaround

Configure port speed to auto and duplex settings to auto on both the FP1010 unit and its peer end. Reload the FP1010 unit after saving the updated configuration.

Further Problem Description