With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL3OspfExternalLsdbTable
Switch L3 Ospf External Lsdb Table
1.3.6.1.4.1.171.11.70.5.3.13.2
The OSPF Process's Links State Database.
Back to DES3528-SWL3MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL3OspfExternalLsdbTable 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 VPN routers right now.