Can you add a 3750 to a stack without downtime?

Answered Question
Oct 14th, 2008

I will be putting in a two-switch stack of 3750s. If I want to add a third switch to the stack - can I do so without bringing down the existing stack? Thanks for the insight.

I have this problem too.
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Correct Answer by muca about 8 years 3 months ago

Yes, you can.

This white paper should help you to understand the technology

http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps5023/prod_white_paper09186a00801b096a.html

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glen.grant Tue, 10/14/2008 - 16:00

Just make sure the new switch is powered off before hooking up the stack cables . Do the wiring , check to make sure the ios on the new switch matches whats on the other 2 , it will make the whole process a lot easier . The auto upgrade feature leaves a lot to be desired on how well it works. We have found it a lot easier to just match them before putting them in .

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