With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2CosDscpPRITable
Switch L2 Cos Dscp PRI Table
1.3.6.1.4.1.171.11.70.5.2.17.3.5
Used to show DSCP value to traffic class mapping and map the DSCP value in the IP header of incoming packet to one of the hardware queues available on the switch.
Back to DES3026-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2CosDscpPRITable 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 access points right now.