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Go Back   Lammle Forum > Cisco® CCNA > Cisco® IOS
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Old 07-09-2011, 03:25 AM
bs_kwaj bs_kwaj is offline
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Join Date: Nov 2007
Location: Texas
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Default Cisco IOS Versions

Just something I'm curious about...

I just bought a 3550 48-port switch and it has the following IOS loaded:

c3550-ipservicesk9-mz.122-44.SE6.bin

I have access to a newer(?) version:

c3550-ipservicesk9-mz.122-46.SE.bin

I assume, of course, that it doesn't really matter for the CCNA studies, but I would still be interested in knowing what changed from '-44.se6' to '-46.SE'. Or, what's the difference?

If we were talking about a production environment, would this be like an upgrade or a patch or just a different version that has a couple of different features and you just simply could have purchased either one.

Does Cisco have anything 'easily useable' to compare the two?

Thanks....

Note: sho ver on the loaded IOS says, "Running Layer 2/3 Switching
image". Since this was sold to me as a WS-3550-48-SMI, I wasn't sure that would be the case. I'm glad it is.
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