Upgrading 4500 IOS

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Feb 24th, 2009
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I have a 4500 switch with a SUP II Plus (WS-X4013+) engine running version 12.2(20)EWA IOS software. Can I upgrade this engine to IOS release 12.2(25)SG and if so do I need to do any other upgrades first?

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Jon Marshall Tue, 02/24/2009 - 06:56
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Yes this supervisor will support 12.2(25)SG. In fact in the release notes the recommended IOS for this supervisor is 12.2(31)SGA8 -


You need to make sure you have enough memory and flash to use the new IOS.


Mohamad Qayoom Tue, 02/24/2009 - 10:24
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Sure you can upgrade to 12.2(25)SG. We just upgraded a bunch of 4506's.


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