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Steve BFlag for United States of America

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Upgrading Cisco 1142N lightweight wireless access point

I am looking for some guidance on updating my lightweight wireless access points, which are AIR-LAP1142N models.  I have 63 of them and they are all controlled by Cisco 5508 Wireless Controllers running version 8.  I also have Cisco Prime Infrastructure 3.1 if that matters.  Anyway, the access points all report that they are on Software version 7.4.100.60 and Boot image version 12.4.18.0.

I was able to download the latest software but the boot image tells me that I require additional entitlement to download it.  I am not sure what the difference is exactly so I was wondering if someone can enlighten me on:
1) What is the difference between the two and can I just install the software?
2) What is the best method of updating the 63 access points?  I don't see an easy way to do it in Prime.  I do have a tftp server.

I have an access point in my office to test with to be safe.
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Craig Beck
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I didn't realize that the controller handled the updating to the lwaps.  I did download and apply 8.0 to the controller and all access points upgraded themselves just fine.  It took a while but that's why there are "after hours" maintenance periods.   I guess I realized the value of lightweight managed access points.  Thanks for the tip on the 1142 compatibility.