With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swFilterDetectedport
sw Filter Detectedport
This object indicates the port which detected the illegal DHCP server.
Back to FILTER-MIB MIB page.
IPHost Network monitor allows you to monitor swFilterDetectedport 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.