With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
hwifVLANTrunkStatusTable
hwif VLAN Trunk Status Table
1.3.6.1.4.1.2011.2.23.1.5.1.3
Gvrp attributes on the VlanTrunk port
Back to HUAWEI-LswINF-MIB MIB page.
IPHost Network monitor allows you to monitor hwifVLANTrunkStatusTable on Huawei device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Huawei switches right now.