upgrade from c2900-universalk9-mz.SPA.151-4.M3.bin TO c2900-universalk9-mz.SPA.154-3.M3.bin

[Hardi Ahmed]

Hello All,

I have C2900/K9 I want to upgrade Router IOS from c2900-universalk9-mz.SPA.151-4.M3.bin TO c2900-universalk9-mz.SPA.154-3.M3.bin, please I needs your advice if the new IOS is OK and clear from bugs.

thanks,

[Mark Malone · Accepted solution]

Hi

No version is really clear from bugs , you can check the release guide for the image see whats open or use this tool below check you version

http://tools.cisco.com/security/center/selectIOSVersion.x

[drabofred]

i downloaded ios and after upgrading the router reboots continuously throwing error as attached: