I have Cisco 4507 box with two redundent sup's, I am plannibg to buy another new 4507 box and move one sup from the old box to the new one, do I have to purchase new IOS for the new box or I can use the same IOS which is on the old 4507 box?
You dont have to buy the new IOS. The same old IOS will work on the new chassis. Just move the Sup from one chassis to other and you will be good to go.
HTH,
-amit singh
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