I am attempting to upgrade the IOS image on a 3850 switch stack. I have uploaded the new IOS image to the switches in the stack. The documentation I have read states to use the "software install" option from Privileged Exec mode. This option is not available using the existing IOS image currently running on the switch stack. I set the "boot system" to load the new IOS image (cat3k_caa-universalk9.SPA.03.07.05.E.152-3.E5.bin). Once this image loads the mode is BUNDLE and not INSTALL which I need to have this running in order to install the new packages.
I was hoping to install the IOS from a USB thumb drive using the "software install file usbflash0:cat3k_caa-universalk9.SPA.03.07.05.E.152-3.E5.bin". But since the IOS is not running I cannot do so.
Any assistance would be greatly appreciated.
