The port-alarm down bip8-sd command enables the association between an BIP8 signal degrade alarm of the 40GE/50GE/100GE and a physical interface Down event.
The undo port-alarm down bip8-sd command disables the association between an BIP8 signal degrade alarm of the 40GE/50GE/100GE and a physical interface Down event.
By default, the function to shut down the associated physical port is disabled when an alarm is reported on an interface.