Since your on PI 1.2, I would suggest you bring up a new VM and not upgrade. Upgrade has it's issues especially with PI 1.2. Registered your license, add the WLC to Your new PI and then import the floor plans from your existing PI 1.2 to your new PI. That's how I would go about it. There is no additional cost, you just need to register your existing license.
Yes.... PI 1.2 was not great and upgrading has caused many issues.... you can search the forum on that. I always stand up a new VM and just export and import the floor maps and rehost the license. The matrix shows you what WLC code that PI supports and what AP's PI supports. You need to understand that as you might choose either PI 1.4.1 or PI 2.0. PI 2.0 was built around converged access so since you have a Unified WLC, you should go with PI 1.4 and patch that to PI 1.4.1.
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IntroductionHow to use the Wireless LAN Controller Configuration Analyzer (WLCCA)
Javier Contreras is a Senior Tech Lead for the Wireless Business Unit in Cisco, with over 2 decades of experi...
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(#)For this reason being that : - application that doesn't use multicast, sends one copy of each packet ( data unit of traffic at layer 3 ) to each client (" who seeks the traffic ).- application that does use multicast, sends ...
Transferring Crash file from standby:
Login to the Active WLC in HA.
(Cisco Controller) >transfer upload datatype crash
(Cisco Controller) >transfer upload filename <Desired filename>
(Cisco Controller) >transfer up...