Reload the router to apply the change. Once online, verify the active software version: Router# reload ... Router# show version Use code with caution. 6. Lifecycle and Support Warning
If you have legally obtained this image via a valid Cisco SmartNet contract or downloaded it from Cisco.com using an authorized CCO ID, here is how you would use it.
Always secure a copy of your current configuration and running image to external storage before making changes. C1900-universalk9-mz.spa.158-3.m7.bin
Detailed bug reports and hardware compatibility can be verified through the Cisco Release Notes for 15.8(3)M . Cisco ios 1941 ios 15.8.3M9 support
Router# configure terminal Router(config)# no boot system Router(config)# boot system flash:C1900-universalk9-mz.spa.158-3.m7.bin Router(config)# exit Router# copy running-config startup-config Use code with caution. 5. Reload and Confirm Reload the router to apply the change
Access the router command line interface (CLI) to confirm that your internal flash storage has adequate contiguous space: Router# show flash: Router# show memory Use code with caution.
: This stands for Service Provider Architecture . This is crucial for the 1900 series. Routers with spa images support the newer SM (Service Module) and EHWIC slots. Older c1900-... images (without spa ) were designed for legacy WIC modules. Using the wrong one can render your interface cards invisible to the OS. Detailed bug reports and hardware compatibility can be
Obtain the image from the Cisco Software Download Center.
Have a copy of your current, working IOS image available.