With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbQosSetDscpPkt64
Cisco Class Based Qos Set Dscp Pkt64
1.3.6.1.4.1.9.9.166.1.24.1.1.1
The 64 bits count of packets whose DSCP field is marked by Set feature.
Back to CISCO-CLASS-BASED-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cbQosSetDscpPkt64 on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.