Support was able to fix this for us. It is an engineering change made behind the scenes If you have a similar issue you could ask support to reference our case 04537743 ... View more

I'll second FreeRadius and ISE although ISE is probably way more than you need for this.  Might be moot point, but when adding MAC addresses using the Add Client drop-down, I believe you can populate up to 3,000 clients at a time, assuming you have them in a spreadsheet for example.  But agree with the others it's cumbersome to manage tons of constantly-changing MAC addresses regardless of the solution! ... View more

In the end I've opted for Leaving the AP without any tagging and using my Switches to get traffic to their respective Subnet's.   Thanks for the help everyone! ... View more