How to create stack with two 3750G switches

Unanswered Question
Jan 18th, 2010


I need to create a switch stack with two 3750G switches. What's the best way to do this?


I have this problem too.
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kumarkrishnar Mon, 01/18/2010 - 07:53


The stacking configuration done automatically when you are connect the stack cable back side of the switch

the connection will be like this

switch 1  stack port 1  need to connnect switch 2 stack port 2

the same vise versa switch 1 stack port 2  need connect switch 2 stack port 1

If you want one switch always act as a master you can set the priority to the switch

conf t

switch 1  priority  5 ( you can set any number  should be highest number in the stacked switches )


krishna kumar

Reza Sharifi Mon, 01/18/2010 - 08:57

Hello Darren,

After stacking them, decide witch switch you want to be the master and give that one a higher priority.  The priority is from 1 to 15 with 15 being the highest.

Also make sure you run the same exact IOS on both switches.

Please refer to this document for more info:




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