With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2PortCtrlAdminState
Switch L2 Port Control Admin State
1.3.6.1.4.1.171.11.70.5.2.3.2.1.2
This object decide the port enabled or disabled.
Back to DHS3224-MIB MIB page.
IPHost Network monitor allows you to monitor swL2PortCtrlAdminState 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.