Ring Virtual Port Ethernet Commands

config 
    - [no] port port-id
        - ethernet
            - cfm-loopback priority {low | high | dot1p} [match-vlan {vlan-range | none}] 
            - no cfm-loopback 
            - dot1q-etype 0x0600 to 0xffff
            - no dot1q-etype
            - down-when-looped
                - keep-alive timer
                - no keep-alive
                - retry-timeout timer
                - no retry-timeout
                - [no] shutdown
                - [no] use-broadcast-address
            - duplex full 
            - egress-rate sub-rate
            - no egress-rate
            - encap-type {dot1q | null}
            - no encap-type
            - mac ieee-address
            - no mac
            - mode network
            - no mode
            - mtu mtu-bytes
            - no mtu
            - network
                - queue-policy name
                - no queue-policy
                - scheduler-mode 16-priority
            - speed 2500