With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2StpPortStatus
Switch L2 Stp Port Status
1.3.6.1.4.1.171.11.70.5.2.16.4.1.3
When the port Enable state is enabled, the port's current state as defined by application of the Spanning Tree Protocol. If the PortEnable is disabled, the the port status will be no-stp-enabled(7). If the port is in error disabled status, the port status will be err-disabled(8)
Back to DES3010G-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2StpPortStatus 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.