With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cseL3SwitchedPktsPerSecGroup
CISCO SWITCH ENGINE L3 Switched Packets Per Sec Group
1.3.6.1.4.1.9.9.97.3.2.39
A collection of objects providing switch engine statistics on total number of packets switched per second.
Back to CISCO-SWITCH-ENGINE-MIB MIB page.
IPHost Network monitor allows you to monitor cseL3SwitchedPktsPerSecGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.