With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swWebAuthAssignedVID
sw Web Authentication Assigned VID
This object indicates the assigned VLAN ID of this port.
Back to WebBase-Access-Control-MIB MIB page.
IPHost Network monitor allows you to monitor swWebAuthAssignedVID 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.