With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
diffServClfrEntry
Services Differentiated Services Services Clfr Entry
1.3.6.1.2.1.97.1.2.2.1
An entry in the classifier table describes a single classifier. All classifier elements belonging to the same classifier use the classifier's diffServClfrId as part of their index.
Back to DIFFSERV-MIB MIB page.
IPHost Network monitor allows you to monitor diffServClfrEntry 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.