PBB service commands

config
    - service
        - pbb
            - mac-name name ieee-address
            - no mac-name
            - source-bmac ieee-address
            - no source-bmac
config
    - service
        - vpls service-id [customer customer-id] [create] [vpn vpn-id] [m-vpls] [svc-sap-type {null-star | dot1q-preserve | any}] [b-vpls | i-vpls | r-vpls] [b-vid vid]
        - no vpls service-id 
            - pbb
                - backbone-vpls service-id [isid isid] 
                - no backbone-vpls
                - source-bmac ieee-address
                - no source-bmac
config
    - service
        - [no] epipe service-id [customer customer-id] [create] [vpn vpn-id] svc-sap-type {null-star | dot1q-preserve | any}] [customer-vid vlan-id] [pbb-epipe]
            - pbb
                - tunnel service-id backbone-dest-mac mac-name isid ISID 
                - tunnel service-id backbone-dest-mac ieee-address isid ISID 
                - no tunnel