With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csqIfDscpToQueueTable
Cisco Switch QOS If Dscp To Queue Table
1.3.6.1.4.1.9.9.580.1.4.3
This table provides the information for and configuration of assigning packets to queues and thresholds based on their DSCP value and traffic direction.
Back to CISCO-SWITCH-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor csqIfDscpToQueueTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.