With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cswitchUsageByIngrsIntfHCOctets
cswitch Usage By Ingrs Intf HC Octets
1.3.6.1.4.1.9.9.201.1.1.1.1.4
The number of ingress octets of a interface which use the switch resource. This is a 64 bit (High Capacity) version of the cswitchUsageByIngrsIntfOctets counter for use with SNMP v2c or v3 Managers.
Back to CISCO-SWITCH-USAGE-MIB MIB page.
IPHost Network monitor allows you to monitor cswitchUsageByIngrsIntfHCOctets on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.