With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swPimNeighborIfIndex
Switch Pim Neighbor If Index
1.3.6.1.4.1.171.12.52.3.3.1.2
The value of ifIndex for the interface used for which to find PIM neighbor information.
Back to PIM-SM-MIB MIB page.
IPHost Network monitor allows you to monitor swPimNeighborIfIndex 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 VPN routers right now.