With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csqModuleTosChangedIpPackets
Cisco Switch QOS Module Tos Changed Ip Packets
1.3.6.1.4.1.9.9.580.1.5.2.1.2
The number of IP packets that have the ToS value changed due to policing.
Back to CISCO-SWITCH-QOS-MIB MIB page.
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