Cloud Monitor CES supports monitoring ECS through the Agent plug-in Description of the status of...

Fault status: When the server does not receive the plug-in dagger for 1 minute, the plug-in status is displayed as "fault"

B. Stopped state, it may be that the agent was manually stopped

The status of not starting may be that the agent is not installed in the ECS or the agent is manually stopped

The configuration is abnormal, which may be the default NIC security group rule of the ECS is caused by a configuration error