With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cifthIfThresholdFiredTable
Cisco Interfaces Threshold If Threshold Fired Table
1.3.6.1.4.1.9.9.218.1.3.3
This table indicates the interfaces that currently have threshold fired conditions.
Back to CISCO-IF-THRESHOLD-MIB MIB page.
IPHost Network monitor allows you to monitor cifthIfThresholdFiredTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.