With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swISMVlanRepSourceAddrType
Switch ISM Vlan Rep Source Address Type
1.3.6.1.4.1.171.12.64.3.1.1.8
This is the type of multicast VLAN replacement address as specified by object 'swISMVlanRepSourceAddr'.
Back to MCAST-VLAN-MIB MIB page.
IPHost Network monitor allows you to monitor swISMVlanRepSourceAddrType 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.