Step 2: Cisco IOS Report Filter.
Type: IOS in the Box as shown by the Arrow.
Step 3: Cisco IOS Report Filter Result.
Click on the selected ‘IOS Versions of Cisco Devices’ Report.
Step 4: Run Result of ‘IOS Versions of Cisco Devices Report’ Selected.
Opional Step 5: There are other ways to get the same or similar result using NCM using a Command Line Script.
But this is a SolarWinds OTB (Out The Box) Report that will give you the Cisco IOS Versions of the Cisco Devices currently being Monitored by your SolarWinds Orion Monitoring Platform.