Upgrade IOS of stack switches

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Feb 11th, 2009
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We need upgrade IOS for our several stack switches. I would like to use “auto-upgrade” feature. I have two questions about it, I hope you could give me some ideas.

According to Cisco document, auto-upgrade is enable by default. But I found the member switches is disable. Could I enable it (boot auto-copy-sw) on member

switches before I upgrade IOS? Could I active it from master switch to type “boot auto-copy-sw”?

If members of switches is active about “auto-upgrade” , could maser switch copy new IOS to members without any additional commands? If it could, do I need to change boot path manually?


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Yudong Wu Wed, 02/11/2009 - 11:42
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I think "auto-upgrade" is just applied when you have IOS mismatch in the stack. If you want to upgrade IOS of whole stack, the procedure in above link should be good.


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