With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csiSessionOutBLSFrames
csi Session Out BLS Frames
1.3.6.1.4.1.9.9.378.1.1.5.1.12
Number of outgoing Basic Link Service frames in this session.
Back to CISCO-SVC-INTERFACE-MIB MIB page.
IPHost Network monitor allows you to monitor csiSessionOutBLSFrames 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.