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What is the "version x.x" command in a Cisco 2960?

I'm a bit confused as to what the "versions x.x" command is in the Cisco 2960. Does this relate specifically to the IOS version?  My IOS version is 12.2(50) SE, and the "version x.x" config showing in my IOS is 12.2. If I go into global config and type "version 12.1", the command takes but this config line does not change (still shows "version 12.2"). Can anyone explain this better?

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Don Johnston

8/22/2022 - Mon

The show version command is solely for showing you what version you have. You cannot change your version without downloading it from Cisco

Switch>sh ver
Cisco IOS Software, C2960 Software (C2960-LANBASE-M), Version 12.2(25)FX, RELEASE SOFTWARE


Switch      Ports        Model                       SW Version             SW Image
---------      -----          -----                           ----------                     ----------
*    1         26            WS-C2960-24TT      12.2                         C2960-LANBASE-M

Is this what your talking about seeing? That is just the base version. The "show ver" command tells you your exact revision number.

Thanks for the quick response. My confusion is why does it even appear in the config, as shown in the excerpt below:

Current configuration : 4648 bytes
! Last configuration change at 06:28:11 edt Mon Aug 8 2011
! NVRAM config last updated at 15:33:26 edt Mon Jul 11 2011
version 12.2
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James Murphy

It is helpful when managing a lot of configs and possibly different IOS releases. The commands change over time, and this will give you a quick reference when looking that the configuration file.
Don Johnston

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