With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
dvmrpNeighborExpiryTime
dvmrp Neighbor Expiry Time
1.3.6.1.3.62.1.1.4.1.4
The minimum time remaining before this DVMRP neighbor will be aged out.
Back to DVMRP-MIB MIB page.
IPHost Network monitor allows you to monitor dvmrpNeighborExpiryTime 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.