The MIB module is used to manage IP Multicast, including multicast routing, data forwarding, and data reception.
The OID of root objects is:
iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).huawei(2011).huaweiMgmt(5).hwDatacomm(25).hwMcast(149).1(hwIpMcastMib)