A10E/A28E/A28F Configuration Guide
SwitchB(config-port)#switchport mode trunk
SwitchB(config-port)#exit
Configure Switch C.
Alpha-A28E#hostname SwitchC
SwitchC#config
SwitchC(config)#create vlan 100 active
SwitchC(config)#interface port 2
SwitchC(config-port)#switch access vlan 100
SwitchC(config-port)#exit
SwitchC(config)#interface port 1
SwitchC(config-port)#switchport mode trunk
SwitchC(config-port)#exit
Step 2 Configure CFM fault detection function.
Configure Switch A.
SwitchA(config)#ethernet cfm domain level 3
SwitchA(config)#service ma1 level 3
SwitchA(config-service)#service vlan-list 100
SwitchA(config-service)#service mep up mpid 301 port 1
SwitchA(config-service)#service remote-mep 302
SwitchA(config-service)#service cc enable mep all
SwitchA(config-service)#exit
SwitchA(config)#ethernet cfm enable
Configure Switch B.
SwitchB(config)#ethernet cfm domain level 3
SwitchB(config)#service ma1 level 3
SwitchB(config-service)#service vlan-list 100
SwitchB(config-service)#exit
SwitchB(config)#ethernet cfm enable
Configure Switch C.
SwitchC(config)#ethernet cfm domain level 3
SwitchC(config)#service ma1 level 3
SwitchC(config-service)#service vlan-list 100
SwitchC(config-service)#service mep up mpid 302 port 2
SwitchC(config-service)#service remote mep 301
SwitchC(config-service)#service cc enable mep all
SwitchC(config-service)#exit