With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swPolicyRouteEntry
Switch Policy Route Entry
1.3.6.1.4.1.171.12.32.3.1.1
A particular route to a particular destination, under a particular policy.
Back to POLICY-ROUTE-MIB MIB page.
IPHost Network monitor allows you to monitor swPolicyRouteEntry 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 switches right now.