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Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Configuring Ethernet CFM and Y.1731 Performance Monitoring on Layer 3 Interfaces
CFM Support on Routed Port and Port MEP
Configuring Ethernet CFM (Single-Tagged Packets)
Complete these steps to configure and enable Ethernet CFM for single-tagged packets:
SUMMARY STEPS
Step 1 enable
Step 2 configure terminal
Step 3 ethernet cfm ieee
Step 4 ethernet cfm global
Step 5 ethernet cfm domain domain-name level level-id
Step 6 service service-name vlan vlan-id direction down
Step 7 continuity-check
Step 8 interface gigabitethernet slot/port
Step 9 ethernet cfm mep domain domain-name mpid value service service-name
Step 10 interface gigabitethernet slot/port.subinterface
Step 11 encapsulation dot1q vlan-id
Step 12 end
DETAILED STEPS
Command Purpose
Step 1
enable
Example:
Router>enable
Enables the privileged EXEC mode.
Enter your password when prompted.
Step 2
configure terminal
Example:
Router#configure terminal
Enters the global configuration mode.
Step 3
ethernet cfm ieee
Example:
Router(config)#ethernet cfm ieee
Enables the IEEE version of CFM.
Step 4
ethernet cfm global
Example:
Router(config)#ethernet cfm global
Enables CFM processing globally on the router.