Last Updated on 04/03/2023 by administrator Cisco 3850 IOS switch stack upgrade 16.x.x to 16.y.y install mode Motivation: The manual how to upgrade Cisco 3850 IOS switch stack from 16.x.x to 16.y.y. Implementation [1]: Make sure there is space available on the flashes of the switch stacks. This will remove the old files: request platform … Continue reading Cisco 3850 IOS switch stack upgrade 16.x.x to 16.x.y install mode