With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2StpPortAdminPointToPoint
Switch L2 Stp Port Admin Point To Point
1.3.6.1.4.1.171.11.70.5.2.16.4.1.10
The administrative point-to-point status of the LAN segment attached to this port. A value of forceTrue(0) indicates that this port should always be treated as if it is connected to a point-to-point link. A value of forceFalse(1) indicates that this port should be treated as having a shared media connection. A value of auto(2) indicates that this port is considered to have a point-to-point link if it is an Aggregator and all of its members are aggregatable, or if the MAC entity is configured for full duplex operation, either through auto-negotiation or by management means.
Back to DES3010F-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2StpPortAdminPointToPoint 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 routers right now.