
They will remain the same.Ĭurrent version Switch Ports Model SW Version SW Image Mode Upgrading to IOS-XE 16.6.8 will not make any changes to the current licenses you have on the switch stack. If you are not prepared for smart licensing, then 16.6.8 is the recommended version for Catalyst 38 Switches. bin image from flash: to all other switches in your stack.Īnother thing to keep in mind would be that, starting with 16.9.x Smart Licensing model is introduced and you will have to convert the switch licenses. (There are packaging changes in the different 16.x.x releases.) Use the auto-copy option to copy the. You must use the new option when you upgrade from Cisco IOS XE Denali 16.1.x, 16.2.x or 16.3.1 to Cisco IOS XE Everest 16.5.1a. Please use switch all option to upgrade all switches in your stack. There are 3 main steps for upgrading the switch.

You can refer to this Cisco documentation for information:

Bundle mode is the traditional way of upgrading the Cisco devices however, Cisco recommends to use Install mode with 3850 series. There are minor differences between the Install and Bundle mode. The example shows the upgrade procedure for 2 x stack switches upgrading from 16.6.3 to 16.6.8 This blog post describes how to upgrade Cisco Catalyst 3850 Series Stack Switches using Install mode.
