With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swPimIpMRouteType
Switch Pim Ip M Route Type
1.3.6.1.4.1.171.12.52.3.7.1.9
This object describes the PIM-specific type as related to a multicast state entry.
Back to PIM-SM-MIB MIB page.
IPHost Network monitor allows you to monitor swPimIpMRouteType 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 access points right now.