With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
agentInventoryOperatingSystem
agent Inventory Operating System
1.3.6.1.4.1.14179.1.1.1.10
Operating System running on this unit
Back to AIRESPACE-SWITCHING-MIB MIB page.
IPHost Network monitor allows you to monitor agentInventoryOperatingSystem 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.