I've just downgraded our AIR-AP1121G-E-K9 Autonomous AP's to LWAPP using WCS 4.2 I cannot get them to register with another controller. I have manually set the AP to use a Primary and Secondary controller, but once reset the AP always connects to the same Controller. I have tried a factory reset on the AP too with the same result. Our other AP's that are purchased LWAPP's work fine! I can move them around six different controllers!!
The problem seems to be with the downgraded AP's They are running 12.4(10b)JA
Just to add a note to the great info from Scott. You can use the WCS to push this info out to all the WLC's using this method;
Configuring an Access Point Authorization Template
Follow these steps to add an access point authorization template or make changes to an existing template. These templates are devised for Cisco 11xx/12xx series access points converted from IOS to LWAPP or for 1030 access points connecting in bridge mode.
Step 2 ï¿¼From the Security selections in the left sidebar menu, choose AP authorization.
Step 3 ï¿¼If you want to add a new template, choose Add Template from the Select a command drop-down menu and click GO. To make modifications to an existing template, click a MAC address in the AP Base Radio MAC column. The AP Authorization Template appears (see Figure 9-12), and the number of controllers the template is applied to automatically populates.
Step 4 ï¿¼Select the Import from File check box if you want to import a file containing access point MAC addresses.
Note ï¿¼You can only import a .csv file. Any other file formats are not supported.
Step 5 ï¿¼Enter the file path from where you want to import the file.
Once into the AP Authorization Template all 500 AP's where there already listed with the hash keys. I simply applied the template to my eight controllers, and then ticked the "Allow SSC-APs" tick box on each controller.
Working great now.
Thanks for your help once again.
BTW, What are your opions on migrating to WCS & WLC version 5??
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...
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Powershell SNMP Module (Install-Module -Name SNMP)
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