With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ons15501SysAlarmStatus
ons15501 Sys Alarm Status
1.3.6.1.4.1.1869.11.11.1.24
Provides the highest severity alarm currently active.
Back to ONS15501-MIB MIB page.
IPHost Network monitor allows you to monitor ons15501SysAlarmStatus 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.