With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
dvmrpRouteUpstreamNeighbor
dvmrp Route Upstream Neighbor
1.3.6.1.3.62.1.1.5.1.3
The address of the upstream neighbor (e.g., RPF neighbor) from which IP datagrams from these sources are received.
Back to DVMRP-MIB MIB page.
IPHost Network monitor allows you to monitor dvmrpRouteUpstreamNeighbor 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.