With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2LoopDetectPortLoopVLAN
Switch L2 Loop Detect Port Loop VLAN
1.3.6.1.4.1.171.11.70.5.2.18.2.1.1.3
This object indicates the VLAN list that has detected a loopback.
Back to DES3552-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2LoopDetectPortLoopVLAN 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 switches right now.
