With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cifthIfThresholdFiredLstSeverity
Cisco Interfaces Threshold If Threshold Fired Lst Severity
1.3.6.1.4.1.9.9.218.1.3.3.1.5
This object specifies the severity of the threshold that was last fired or cleared on the interface.
Back to CISCO-IF-THRESHOLD-MIB MIB page.
IPHost Network monitor allows you to monitor cifthIfThresholdFiredLstSeverity on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.