Ericsson IBM Corporation China Mobile Juniper Individual Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Snooping could be used in both BRIGDE service and L2VPN service. The old ietf-igmp-mld-snooping yang module just describes the BRIGDE service. In this document we extend the existing ietf-igmp-mld- snooping yang module and make it could be used in L2VPN service.