With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
moduleFwHiVersion
module Fw Hi Version
1.3.6.1.4.1.9.5.1.3.1.1.6
example, if the firmware version is 3.1, the value of moduleFwHiVersion is 3. This object is deprecated and replaced by entPhysicalFirmwareRev in ENTITY-MIB.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor moduleFwHiVersion on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.