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Beginner

IOS ISSUE FOR 3850 switches.

Hi,

Currently one site has 2* WS-C3850-24T-E in stack manner and we are going to add WS-C3850-12S-S in this Stack so Please let me know how can I downgrade IOS for WS-C3850-24T-E to WS-C3850-24T-s so that we can make stack of 3

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VIP Mentor

Re: IOS ISSUE FOR 3850 switches.

Hello,

 

downgrade from what to what ? Below is the procedure to:

 

Downgrade from Cisco IOS XE 16.x to Cisco IOS XE 3.xE in Install Mode

 

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/16-3/release_notes/ol-16-3-3850.html#pgfId-1195184

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Hall of Fame Community Legend

Re: IOS ISSUE FOR 3850 switches.

Spoiler
Currently one site has 2* WS-C3850-24T-E in stack manner and we are going to add WS-C3850-12S-S in this Stack so Please let me know how can I downgrade IOS for WS-C3850-24T-E to WS-C3850-24T-s so that we can make stack of 3

Without knowing what is the intended version you want to go to, I'd recommend you read the Release Notes because the exact method on how to upgrade/downgrade are all detailed in the Released Notes. 

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