A VPLS service cannot be deleted until SAPs and SDPs (not applicable for 7210 SAS-T configured in access-uplink mode) are unbound (deleted), interfaces are shutdown, and the service is shutdown on the service level.
Use the following syntax to delete a VPLS service.
— config>service
    — [no] vpls service-id 
    — shutdown
    — [no] spoke-sdp sdp-id 
        — shutdown
    — sap sap-id 
    — no sap sap-id 
        — shutdown