With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cimrMsuTrafficRate
Cisco IP Transfer Point MSU Rates Msu Traffic Rate
1.3.6.1.4.1.9.9.529.1.2.2.1.3
Rate of MSUs over the interval specified by the cimrMsuRateSampleInterval object.
Back to CISCO-ITP-MSU-RATES-MIB MIB page.
IPHost Network monitor allows you to monitor cimrMsuTrafficRate 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.