With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swPortTrunkActivePort
Switch Port Trunk Active Port
1.3.6.1.4.1.171.11.70.5.2.9.3.1.5
This object indicates the active ports of this entry.
Back to DES3010G-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swPortTrunkActivePort 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 WiFi routers right now.