With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
caqTosChangedIpPacketsAveRate
Cisco Access Control List QoS Tos Changed Ip Packets Average Rate
1.3.6.1.4.1.9.9.179.1.4.10
Indicates five minute linearly-decayed moving average of IP packets have the Tos value change.
Back to CISCO-CATOS-ACL-QOS-MIB MIB page.
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