With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cifthIfLastThresholdFired
Cisco Interfaces Threshold If Last Threshold Fired
1.3.6.1.4.1.9.9.218.1.3.3.1.3
This object specifies the last threshold fired or cleared on the interface.
Back to CISCO-IF-THRESHOLD-MIB MIB page.
IPHost Network monitor allows you to monitor cifthIfLastThresholdFired 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.