With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbQosSetL2CosPkt64
Cisco Class Based Qos Set L2 Cos Pkt64
1.3.6.1.4.1.9.9.166.1.24.1.1.6
The 64 bits count of packets whose Layer 2 Cos field is marked by Set feature.
Back to CISCO-CLASS-BASED-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cbQosSetL2CosPkt64 on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.