With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcIfC3AccountingEntry
Cisco Fibre Element If C3 Accounting Entry
1.3.6.1.4.1.9.9.289.1.2.3.1
Each entry contains Class 3 accounting information for each F, FL or TL port.
Back to CISCO-FC-FE-MIB MIB page.
IPHost Network monitor allows you to monitor fcIfC3AccountingEntry 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.