TWAMP/4/TWAMP_RESPONDER_EXCEED_active: The number of TWAMP responder session is out of device capability.
1. Delete some TWAMP sessions on the Session-Reflector, delete some trunk member interfaces of a link-bundle session, stop some standard TWAMP sessions, or insert a new board to increase the device capability. Then check whether the alarm is cleared.
2. Collect trap, log, and configuration information, and contact technical support personnel.