With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2VlanEntry
Switch L2 Vlan Entry
1.3.6.1.4.1.171.11.70.5.2.17.1.1
Information for a VLAN configured into the device by (local or network) management, or dynamically created as a result of GVRP requests received.
Back to DGS3627-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2VlanEntry on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link VPN routers right now.