WLC downgrade

Unanswered Question
Apr 30th, 2009

I currently have 4400 series and 2000 series controller which are running 4.2.176 code. I have purchased some 2112 and 2125 but they have come with 5.2 code, is there a way to downgrade them to 4.2.176? I haven't been able to find this code on the CCO. Reason I want to downgrade is because of the issue with the mobility anchors that want the same code on all WLC. Please help.

I have this problem too.
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Leo Laohoo Thu, 04/30/2009 - 14:42

Go here:

Wireless > Cisco 2106 Wireless LAN Controller > Wireless LAN Controller Software

According to the Release Notes:

"Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 4.2.176.0

November 21, 2008

These release notes describe open and resolved caveats for software release 4.2.176.0 for Cisco 2000, 2100, and 4400 Series Wireless LAN Controllers; Cisco Wireless Services Modules (WiSM); Cisco Wireless LAN Controller Network Modules; Catalyst 3750G Integrated Wireless LAN Controller Switches; Cisco 3201 Wireless Mobile Interface Cards (WMICs); and Cisco Aironet 1000, 1100, 1130, 1200, 1230AG, 1240, 1250, and 1300 Series Lightweight Access Points, which comprise part of the Cisco Unified Wireless Network (UWN) Solution."

http://www.cisco.com/en/US/partner/docs/wireless/controller/release/notes/crn421760.html#wp118503

Hope this helps.

Robert.N.Barrett_2 Sun, 05/03/2009 - 15:15

I think the general guideline has always been to have all controllers that interconnect on the same version (certainly the same major x.y version), if possible.

However - I do not see a 4.2.176.0 code download for the 2112 and 2125 controllers. They are slightly different from the 2106. The lowest rev I see is the 5.1.x.x versions for both the 2112 and 2125 controllers.

nawas Mon, 05/04/2009 - 07:06

That's why Cisco Wireless product sucks. Cisco wants us to upgrade all 40+ controllers to 5.2 because we are adding two 2112 and two 2125 which only comes with 5.2 code, and if I don't keep the same version my AP failover or guest anchor will not work. I'm looking looking to find an alternative vendor solution which is not so complex. It's Cisco loss.

Thanks everyone for your input.

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