With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
dot1qVlanCurrentTable
dot1q Vlan Current Table
1.3.6.1.4.1.207.1.4.167.116.7.1.4.2
A table containing current configuration information for each VLAN currently configured into the device by (local or network) management, or dynamically created as a result of GVRP requests received. This table maintains context ID as one more index to support Multiple Instances.
Back to AT-GS950-8-MIB MIB page.
IPHost Network monitor allows you to monitor dot1qVlanCurrentTable 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 firewalls right now.