With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mediaIndependentOutOverflowOctets
media Independent Out Overflow Octets
1.3.6.1.2.1.16.21.1.1.15
The number of times the associated mediaIndependentOutOctets counter has overflowed.
Back to HC-RMON-MIB MIB page.
IPHost Network monitor allows you to monitor mediaIndependentOutOverflowOctets 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.