With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2StpPortPriority
Switch L2 Stp Port Priority
1.3.6.1.4.1.171.11.70.5.2.16.4.1.13
The value of the priority field which is contained in the first (in network byte order) octet of the (2 octet long) Port ID. The other octet of the Port ID is given by the value of swL2StpPort.
Back to DES3018-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2StpPortPriority 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 IP cameras right now.