With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
diffServTBParamAvgRate
Services Differentiated Services Services TB Param Average Rate
1.3.6.1.2.1.97.3.1.2
Average Rate Meter as described in the Informal Differentiated Services Model section 5.2.1.
Back to DIFFSERV-MIB MIB page.
IPHost Network monitor allows you to monitor diffServTBParamAvgRate 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.