With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
dvmrpRouteUpTime
dvmrp Route Up Time
1.3.6.1.3.62.1.1.5.1.7
The time since the route represented by this entry was learned by the router.
Back to DVMRP-MIB MIB page.
IPHost Network monitor allows you to monitor dvmrpRouteUpTime 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.