With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbQosMatchPrePolicyPkt
Cisco Class Based Qos Match Pre Policy Packet
1.3.6.1.4.1.9.9.166.1.16.1.1.2
The lower 32 bits count of inbound packets prior to executing any QoS policies.
Back to CISCO-CLASS-BASED-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cbQosMatchPrePolicyPkt 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.