With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dmIfRowStatus
Cisco Domain Management If Row Status
1.3.6.1.4.1.9.9.302.1.1.2.1.3
The status of this row. This object can be used to create an entry only if the corresponding interface exists. If the interface does not exists, a create will fail.
Back to CISCO-DM-MIB MIB page.
IPHost Network monitor allows you to monitor dmIfRowStatus 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.