With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL3dvmrpInterfaceRcvBadRoutes
Switch L3dvmrp Interface Rcv Bad Routes
1.3.6.1.4.1.171.11.70.5.3.12.1.8
The number of routes, in valid DVMRP packets, which were ignored because the entry was invalid.
Back to SWL3MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL3dvmrpInterfaceRcvBadRoutes 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 routers right now.