The HUAWEI-BRAS-PPPoX-MIB sets the negotiation parameters for PPP login, and bind and unbind the VT.
The OID of the root object is:
iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).huawei(2011).huaweiMgmt(5).hwDatacomm(25).hwBRASMib(40).hwBRASPPPoX(2)