Defines the Class-of-Service with which CFM-CCM (Continuity Check Message) packets are marked.
- SNMP ID:
 - 2.105.3.10
 - Console path:
 - Setup > OAM > CFM-Interfaces
 - Possible values:
 - Best-Effort
 - Background
 - Excellent-Effort
 - Controlled-Latency
 - Video
 - Voice
 - Network-Control
 
- Default:
 - Best-Effort