With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
imaLinkTotalFeRxUnusableSecs
ima Link Total Fe Rx Unusable Secs
1.3.6.1.4.1.353.5.7.1.1.12.1.10
Rx Unusable seconds at far-end: count of seconds with Rx Unusable indications from the far-end Rx LSM in the previous 24 hour interval. Invalid 15 minute intervals count as 0.
Back to IMA-MIB MIB page.
IPHost Network monitor allows you to monitor imaLinkTotalFeRxUnusableSecs on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.