The mpls-tp ais enable command enables the alarm indication signal (AIS) function.
The undo mpls-tp ais enable command disables the AIS function.
By default, the AIS function is disabled.
Usage Scenario
On a traditional transport network, a circuit usually spans multiple switching devices. If a device or a link on this circuit becomes faulty, an alarm suppression message is generated immediately and protection switching is triggered. The AIS function can be used to suppress alarms on an MPLS-TP network. To enable the AIS function, run the mpls-tp ais enable command.
Prerequisites
The ME of the MEG has been bound to a tunnel.