With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
moduleSerialNumberString
module Serial Number String
1.3.6.1.4.1.9.5.1.3.1.1.26
will return the module serial number for any module that either a numeric or an alphanumeric serial number is being used.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor moduleSerialNumberString 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.
