With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
caqDscpMappingDscp
Cisco Access Control List QoS Dscp Mapping Dscp
1.3.6.1.4.1.9.9.179.1.1.3.1.1
The DSCP value being mapped to the CoS value and policed DSCP value in this device.
Back to CISCO-CATOS-ACL-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor caqDscpMappingDscp 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.