With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swISMVlanRemapPriority
Switch ISM Vlan Remap Priority
1.3.6.1.4.1.171.12.64.3.1.1.10
This is the priority value (0 to 7) to be associated with the data traffic to be forwarded on the multicast VLAN. When set to -1, the packet's original priority will be used.
Back to MCAST-VLAN-MIB MIB page.
IPHost Network monitor allows you to monitor swISMVlanRemapPriority 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 routers right now.