With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL3ospfIfAreaId
Switch L3ospf If Area Id
1.3.6.1.4.1.171.11.70.5.3.8.1.3
A 32-bit integer uniquely identifying the area to which the interface connects. Area ID 0.0.0.0 is used for the OSPF backbone.
Back to SWL3MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL3ospfIfAreaId 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 WiFi routers right now.