With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL3OspfExternalLsdbLsid
Switch L3 Ospf External Lsdb Lsid
1.3.6.1.4.1.171.11.70.5.3.13.2.1.2
The Link State ID is an LS Type Specific field containing either a Router ID or an IP Address; it identifies the piece of the routing domain that is being described by the advertisement.
Back to DES3528-SWL3MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL3OspfExternalLsdbLsid 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.