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# Configure the Ethernet subring
Ruijie(config)# erps raps-vlan 100
Ruijie(config)# interface fastEthernet 0/3
Ruijie(config-if)# switchport mode trunk
Ruijie(config-if)# exit
Ruijie(config)# erps raps-vlan 100
Ruijie(config-erps100)# ring-port west fastEthernet 0/3 east virtual-channel
Ruijie(config-if)# exit
# Associate the subring with other Ethernet rings.
Ruijie(config)# erps raps-vlan 4093
Ruijie(config-erps4093)# associate sub-ring raps-vlan 100
The ERPS protocol of the specified ring will begin running truly only after the global ERPS protocol
and the ERPS protocol of the specified ring are both enabled.
The following example enables the ERPS protocol globally:
# Enter the privileged EXEC mode
Ruijie# configure terminal