With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
diffServMaxRateId
Services Differentiated Services Services Max Rate Id
1.3.6.1.2.1.97.1.8.6.1.1
An index that enumerates the Maximum Rate Parameter entries. Managers obtain new values for row creation in this table by reading diffServMaxRateNextFree.
Back to DIFFSERV-MIB MIB page.
IPHost Network monitor allows you to monitor diffServMaxRateId on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.