WLC firmware downgrade

Answered Question
Dec 31st, 2007
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Hi,


Does anybody know if it is possible to downgrade a WLC by dowloading a lower version of the code ?

Or does this depend on the versions ?


Thanks,


Gerard van Bon

Correct Answer by Rob Huffman about 9 years 3 months ago

Hi Gerard,


You can Downgrade the WLC Release Version, but be careful of this note;


Caution: If you require a downgrade from one release to another, you may lose the configuration from your current release. The workaround is to reload the previous controller configuration files saved on the backup server or to reconfigure the controller.


Managing Controller Software and Configurations


http://www.cisco.com/en/US/docs/wireless/controller/4.1/configuration/guide/c41mfw.html


The only rstriction I have seen to downgrading is with some of the Mesh Releases. You can see the details here;


Cisco 4400 Series Wireless LAN Controllers Release Notes


http://www.cisco.com/en/US/products/ps6366/prod_release_notes_list.html


Hope this helps!

Rob

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Correct Answer
Rob Huffman Mon, 12/31/2007 - 09:18
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Hi Gerard,


You can Downgrade the WLC Release Version, but be careful of this note;


Caution: If you require a downgrade from one release to another, you may lose the configuration from your current release. The workaround is to reload the previous controller configuration files saved on the backup server or to reconfigure the controller.


Managing Controller Software and Configurations


http://www.cisco.com/en/US/docs/wireless/controller/4.1/configuration/guide/c41mfw.html


The only rstriction I have seen to downgrading is with some of the Mesh Releases. You can see the details here;


Cisco 4400 Series Wireless LAN Controllers Release Notes


http://www.cisco.com/en/US/products/ps6366/prod_release_notes_list.html


Hope this helps!

Rob

vanbon Tue, 01/01/2008 - 00:20
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Thanks Rob,


This helps al lot.


Kind regards,


Gerard

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