With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cportQosCosIngressPkts
cport Qos Cos Ingress Packets
1.3.6.1.4.1.9.9.189.1.3.9.1.2
This object indicates the number of ingress packets whose COS value matched the value of the cportQosCosValue object.
Back to CISCO-PORT-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cportQosCosIngressPkts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.
