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How to stack 3750?

There are 2 pcs of Cisco Catalyst 3750-12S (fibre) switches, one is in production and the other is newly-bought. My management want to form a stack for these 2 switches. However, I find that the firmware is different. Please see the switch details as follows:

switch1:
Model: WS-C3750X-12S
Package: C3750E-UNIVERSalk9
Firmware: 15.2(1)E
License: IPBase

switch2:
Model: WS-C3750X-12S
Package: C3750E-UNIVERSalk9
Firmware: 12.2(58)SE2
License: IPServices

I did tried to stack them, and after the first reboot, stack wasn't form with error "version mismatch">
Please help.

Garry Glendown

You will have to update the 12.2 IOS on the second switch for the stacking to work ... not sure whether you can download the IOS without a valid SMARTnet contract, though ... as for the license, are you planing on using any of the advanced IPServices features compared to the IPBase on the first switch? If so, you will also need to purchase a license upgrade for switch 1 ...

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Faruk Onder Yerli

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MichaelBalack

ASKER

Sorry for the delay as I still waiting for the clearance from the users. However, I tried you method on 2 new sets of 3750 (with different IOS), and they work perfectly. I'll use the same approach when the clearance is granted.