The HUAWEI-L2MULTICAST-MIB is used to manage IGMP snooping, IGMP snooping CAC, and alarm information.
The OID of root objects is:
iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).huawei(2011).huaweiMgmt(5).hwDatacomm(25).hwL2MultiCastMIB(181)