With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbQosCMPostPolicyByte
Cisco Class Based Qos ClassMap Post Policy Byte
1.3.6.1.4.1.9.9.166.1.15.1.1.9
The lower 32 bits count of outbound octets after executing QoS policies.
Back to CISCO-CLASS-BASED-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cbQosCMPostPolicyByte 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.