Router advertisement commands

config 
    - service
        - vprn service-id [customer customer-id]
        - no vprn service-id
            - [no]router-advertisement
                - [no] interface ip-int-name
                    - current-hop-limit number
                    - no current-hop-limit
                    - [no] managed-configuration 
                    - max-advertisement-interval seconds
                    - no max-advertisement-interval
                    - min-advertisement-interval seconds
                    - no min-advertisement-interval
                    - mtu mtu-bytes
                    - no mtu
                    - [no] other-stateful-configuration
                    - prefix
                        - [no] autonomous
                        - [no] on-link
                        - preferred-lifetime {seconds | infinite}
                        - no preferred-lifetime
                        - valid-lifetime{seconds | infinite}
                        - no valid-lifetime
                    - reachable-time milli-seconds
                    - no reachable-time
                    - retransmit-time milli-seconds
                    - no retransmit-time
                    - router-lifetime seconds
                    - no router-lifetime
                    - [no] shutdown