With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2VlanCurrentUntaggedPorts
Switch L2 Vlan Current Untagged Ports
1.3.6.1.4.1.171.11.70.5.2.17.1.1.10
The set of ports which are transmitting traffic for this VLAN as untagged frames.
Back to DGS3627-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2VlanCurrentUntaggedPorts 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 access points right now.