With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2TrunkMember
Switch L2 Trunk Member
1.3.6.1.4.1.171.11.70.5.2.9.3.1.4
Indicate how many number of ports is included in this Trunk. The trunk port number depend on the existence of module. The maximum number of ports is 8 for one trunks.
Back to DGS3627-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2TrunkMember 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.