Cisco Catalyst 9300 - Software upgrade.

As of today (March 28th, 2020) per Cisco.com, suggested software release is Fuji-16.9.4 (MD) despite of the fact that we have newer Fuji-16.9.5 (MD) which is also “MD”. In addition to that we have much newer Gibraltar 16.11 and 16.12 (EDs only) and Amsterdam 17.1 (EDs only). Based on that I would personally use Fuji-16.9.5 (MD) which is the latest MD-type of version of current release which is Fuji-16.9 just to be safe unless I need a feature introduced in newer releases. BTW, in 2020 I got two C9300-48T-A switches with super old Everest-16.6.3 (ED) with RTU licenses of course.

Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Fuji 16.9.x > Upgrading in Install Mode

! Copy file from USB stick over to internal flash.
copy usbflash0:/cat9k_iosxe.16.09.05.SPA.bin flash:

! Install new software.
request platform software package install switch all file flash:/cat9k_iosxe.16.09.05.SPA.bin

! Reload to apply new software.
reload

! Clean internal flash from remnants.
request platform software package clean

Good luck and don’t forget to take care of Smart License on the switch!

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