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Downgrading Cisco 3650 from 16.6.5 to 16.3.8

Hi All;

I have WS-C3650-24PWD-S Switch. I put "cat3k_caa-universalk9.16.03.08.SPA.bin" to the flash unfortunately I am unable to install it.
What is right command to be used to install it and so that the switch can boot to this new IoS?
Remember, The switch is currently running 16.6.5 and I want to downgrade it to 16.3.8.
Regards;ios.JPG

 

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VIP Mentor

Re: Downgrading Cisco 3650 from 16.6.5 to 16.3.8

Hi
This is the exact guide if you want to follow it , see the steps for each downgrade upgrade option , read the notes so you dont get caught out , each step can be slightly different

Release Notes for Cisco Catalyst 3650 Series Switches, Cisco IOS XE Everest
Upgrading or Downgrading from Cisco IOS XE Everest 16.6.x to a Cisco IOS XE 16.x.x Release in Install Mode

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3650/software/release/16-6/release_notes/ol-16-6-3650.html#pgfId-1419735
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VIP Advisor

Re: Downgrading Cisco 3650 from 16.6.5 to 16.3.8

Hi there,

The easiest way is to boot the 3850 into BUNDLE mode using the .bin file you have on flash.

Firstly you need to ensure you have copied the .bin file to all of the switches, then issue the following commands:

no boot system
boot system switch all flash:cat3k_caa-universalk9.16.03.08.SPA.bin
wr mem
reload

cheers,

Seb.

 

Re: Downgrading Cisco 3650 from 16.6.5 to 16.3.8

Hi Seb Rupik;

Thank you for your response.

Do I need to enter in Global Configuration mode to use this command: boot system switch all flash:cat3k_caa-universalk9.16.03.08.SPA.bin because the switch is not accepting this command in Privileged EXEC Mode

 

There is another command (in Privileged EXEC Mode): 

Switch# request platform software package install switch all file flash:cat3k_caa-universalk9.16.03.08.SPA.bin new auto-copy

 

What is the difference between those two commands?

Thank you.

VIP Mentor

Re: Downgrading Cisco 3650 from 16.6.5 to 16.3.8

Hi
This is the exact guide if you want to follow it , see the steps for each downgrade upgrade option , read the notes so you dont get caught out , each step can be slightly different

Release Notes for Cisco Catalyst 3650 Series Switches, Cisco IOS XE Everest
Upgrading or Downgrading from Cisco IOS XE Everest 16.6.x to a Cisco IOS XE 16.x.x Release in Install Mode

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3650/software/release/16-6/release_notes/ol-16-6-3650.html#pgfId-1419735

Re: Downgrading Cisco 3650 from 16.6.5 to 16.3.8

Thank you @Mark Malone ;

The issue is resolved.

Blessings

VIP Advisor

Re: Downgrading Cisco 3650 from 16.6.5 to 16.3.8

The boot system commands must be entered in configuration mode.

 

The commands I am suggesting are frankly the ones with the least number of pitfalls and will place the switch in BUNDLE mode. The second request platform command will place the switch in INSTALL mode which is the preferred state. Follow the links provided by @Mark Malone 

 

cheers,

Seb.

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