With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swISMVlanEntry
Switch ISM Vlan Entry
1.3.6.1.4.1.171.12.64.3.1.1
This is an entry of the swISMVlanTable.
Back to MCAST-VLAN-MIB MIB page.
IPHost Network monitor allows you to monitor swISMVlanEntry 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 IP cameras right now.