Pick your exact model (e.g., Cisco 2921, 2951, 2901). Note: The universal image is often not model-specific but must match the family.

Get-FileHash .\c2900-universalk9-mz.SPA.157-3.M8.bin -Algorithm MD5 Get-FileHash .\c2900-universalk9-mz.SPA.157-3.M8.bin -Algorithm SHA512 Use code with caution. How to Verify on macOS / Linux