With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
ifSetMgmtVlanList
if Set Mgmt Vlan List
1.3.6.1.4.1.207.1.4.167.27.1.9
A string of octets containing one bit per VLAN. The first octet corresponds to VLANs with VlanId values 1 through 8; the second octet to VLANs 9 through 16 etc. The most significant bit of each octet corresponds to the lowest VlanId value in that octet. This is the set of vlans configured by management to associate with the management interface.
Back to AT-GS950-8-MIB MIB page.
IPHost Network monitor allows you to monitor ifSetMgmtVlanList on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Allied Telesis switches right now.