With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swPimStaticRPTable
Switch Pim Static RP Table
1.3.6.1.4.1.171.12.52.3.6
The PIM Static RP Table contains the PIM static RP related information, such as group address, group mask, RP address and RP row status.
Back to PIM-SM-MIB MIB page.
IPHost Network monitor allows you to monitor swPimStaticRPTable 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.