Serial raw socket IP transport configuration commands hierarchy

config
    - service
        - vprn service-id [customer customer-id] [create]
            - ip-transport ipt-id [create]
            - no ip-transport ipt-id 
                - description description-string
                - no description
                - dscp dscp-name
                - [no] filter-unknown-host
                - local-host ip-addr ip-addr port-num port-num protocol {tcp | udp}
                - no local-host
                - remote-host host-id [ip-addr ip-addr] [port-num port-num] [create]
                - no remote-host
                    - description description-string
                    - no description
                    - name host-name
                    - no name
                - [no] shutdown
                - tcp
                    - inactivity-timeout seconds
                    - max-retries number
                    - retry-interval seconds