With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
diffServMIBClfrGroup
Services Differentiated Services Services MIB Clfr Group
1.3.6.1.2.1.97.2.2.2
The Classifier Group defines the MIB Objects that describe the list the starts of individual classifiers.
Back to DIFFSERV-MIB MIB page.
IPHost Network monitor allows you to monitor diffServMIBClfrGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.