With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cswitchUsageStatTable
cswitch Usage Stat Table
1.3.6.1.4.1.9.9.201.1.1.1
A list of switch resouce usage statistics entries. The statistics will give information on the switch usage by each interface.
Back to CISCO-SWITCH-USAGE-MIB MIB page.
IPHost Network monitor allows you to monitor cswitchUsageStatTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.
