WLC HA Configuration - Recommended Precedure for Software Update

Hello,
just some best-practise questions regarding the new HA feature of 7.3 code:
With use of AP-SSO and the hot-standby controller, as I understand during software update on the primary controller the code is copied to the hot-standby controller in the background. In case of any failure (e.g. unsupported configuration or feature) there is no chance to use temporarily an controller running the old software version. Furthermore, with HA I loose the possibility to test a new software feature on an updated secondary controller.
Is this true or is there another possibility to "get some confidence" regarding software updates with HA? Any ideas are welcome.
Thank you,
Benjamin

Well, to sort of answer your question. If your only WLC's you have is the two in HA, then you do loose the functionality of upgrading one and performing some test before you upgrade the other WLC and move aps to it. Some companies I have done work with do have a lab environment with spare WLC's and they can do this. What I would suggest is that you either post in the forum if others have upgraded their HA WLC's and see how long they have had it up and if they have had or seen any issues. Even if you had another WLC and tested with that, testing with another HA pair would be the way I would go about verifying things work okay. You never know if there is an issue with the code that just affects HA and that would be my concern.
Thanks,
Scott
Help out other by using the rating system and marking answered questions as "Answered"

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Dear Nokia Support Discussions members,
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(letter dated August 21st, 2006)Message Edited by vandelay on 12-Oct-2006
09:12 AM
Message Edited by vandelay on 30-Oct-2007 02:11 PM
I wrote all my posts from 2005-2011 as an "Admin" for this community. I still work for Nokia as an external consultant, so my rank in all posts is now "Employee".

Read the comment!

WLC HA Configuration - Recommended Precedure for Software Update

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