With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ceImageLocationIndex
Cisco Enhanced Image Location Index
1.3.6.1.4.1.9.9.249.1.2.1.1.1
An integer that uniquely identifies a location. It is allocated by the system and is unique per location.
Back to CISCO-ENHANCED-IMAGE-MIB MIB page.
IPHost Network monitor allows you to monitor ceImageLocationIndex 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.