VPLS xSTP commands

config
    - service
        - vpls service-id [customer customer-id] [create] [vpn vpn-id] [m-vpls] [r-vpls] [svc-sap-type {null-star | dot1q-preserve | any}] [customer-vid vlan-id] [allow-l2pt-xstp-bpdu enable | disable]
        - vpls service-id [customer customer-id] [create] [vpn vpn-id] [m-vpls] [customer-vid vlan-id] [svc-sap-type {null-star | dot1q-preserve | any}] [r-vpls]
        - no vpls service-id
            - stp
                - forward-delay forward-delay 
                - no forward-delay
                - hello-time hello-time
                - no hello-time
                - hold-count BDPU tx hold count
                - no hold-count
                - max-age max-age 
                - no max-age
                - mode {rstp | comp-dot1w | dot1w | mstp | pmstp}
                - no mode
                - [no] mst-instance mst-inst-number 
                    - mst-port-priority bridge-priority
                    - no mst-port-priority
                    - [no] vlan-range vlan-range
                - mst-max-hops hops-count
                - no mst-max-hops
                - mst-name region-name
                - no mst-name
                - mst-revision revision-number
                - no mst-revision
                - priority bridge-priority
                - no priority
                - [no] shutdown