WLC 3.2.171.6 upgrade to 5.x or 6.x

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Feb 19th, 2010
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I have 3 WLC running 3.2.171.6 code that I need to upgrade to a newer code to support the 802.11N aps that have been purchased.  I have moved all of my aps off of one of my controllers so they will not be bouncing up and down while the upgrades are taking place.    My question is this.  I know I need to go to 4.0.206.0 and then to 4.2.61.0 and then to 5.0.148.0 and then to 5.2.xxx.  Can I just upgrade the controllers from start to finish and then move my aps back over to the controller so they can upgrade just one time or do I need to increment them along with the WLC upgrades from release to release to release?


If I can do the aps in just one step that would save a lot of time.  I would like to just upgrade them one time and the controllers as needed per the docs.


If anyone has done this please let me know.

Correct Answer by dancampb about 7 years 4 months ago

Yes, you can do all of the controller upgrades and then move the AP's back.  The incremental upgrades are more for formatting issues on the controllers.

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Correct Answer
dancampb Fri, 02/19/2010 - 12:41
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Yes, you can do all of the controller upgrades and then move the AP's back.  The incremental upgrades are more for formatting issues on the controllers.

jwinters99 Fri, 02/19/2010 - 13:32
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If that is a true statement that will save a lot of time.  Someone on another forum suggested that I might have to increment the aps along with the wlc because of going from lwapp to capwap.  Does that sound right?

Leo Laohoo Fri, 02/19/2010 - 16:02
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I have no idea what WLC you have.  But if you have a 4400 series, what I would always do is disconnect the uplink ports (this would cause your APs to join the next controller).  Connect yourself to the service port and upgrade via this port.  Once your done, re-enable the uplink ports and observe the APs come back.


NOTE:  Personally, I'd stay away from 5.X unless you really need it.  4.0.206.0 or 6.X is preferred because 5.X is well-known to be "buggy".  I understand that the 7.X will be out sometime this year.  So if you can wait ...

jwinters99 Mon, 03/08/2010 - 05:18
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You were right.  I was able to upgrade the wlc to the final release and then was able to move the aps in a single step.  Worked just fine.

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