Interface SAP commands

config 
    - service
        - vprn service-id [customer customer-id]
        - no vprn service-id
            - [no] interface ip-int-name [create] [tunnel]
                - [no] sap sap-id 
                    - accounting-policy acct-policy-id
                    - no accounting-policy [acct-policy-id]
                    - [no] collect-stats
                    - description description-string
                    - no description [description-string]
                    - egress
                        - agg-shaper-rate agg-rate 
                        - no agg-shaper-rate 
                        - filter ip ip-filter-id
                        - no filter [ip ip-filter-id]
                        - qos policy-id
                        - no qos [policy-id]
                    - ingress
                        - meter-override
                        - no meter-override
                            - meter meter-id [create]
                            - no meter meter-id
                                - adaptation-rule [pir adaptation-rule] [cir adaptation-rule]
                                -  cbs size [kbits | bytes | kbytes]
                                - no cbs
                                - mbs size [kbits | bytes | kbytes]
                                - no mbs
                                - no mode
                                - no mode
                                - rate cir cir-rate [pir pir-rate]
                    - ingress
                        - agg-shaper-rate agg-rate
                        - no agg-shaper-rate
                        - aggregate-meter-rate rate-in-kbps [burst burst-in-kbits]
                        - no aggregate-meter-rate
                        - filter ip ip-filter-id
                        - no filter [ip ip-filter-id]
                        - qos policy-id [shared-queuing | multipoint-shared]
                        - no qos [policy-id]
                    - [no] shutdown