With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
dvmrpInterfaceSentRoutes
dvmrp Interface Sent Routes
1.3.6.1.3.62.1.1.3.1.16
The number of routes, in DVMRP Report packets, which have been sent on this interface. Together with dvmrpNeighborRcvRoutes at a peer, this object is useful for detecting routes being lost.
Back to DVMRP-MIB MIB page.
IPHost Network monitor allows you to monitor dvmrpInterfaceSentRoutes 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.