@ManosVal Do you still have the backup file from version 3.12? You may try downgrading the controller to OC200(UN)_V1_1.7.0 Build 20200703. According to their Upgrade Guide, it should not skip the...

@Mriswith 192.168.2.99 is your controller IP so I guess it is something to do with the controller. It make sense if the controller wants to keep the Internet access no matter your local network...

EAP225-Wall LAN ports cannot do VLAN. You may consider your client device connects to this LAN port work like it connects to the switch directly. So we need to do settings on the switch, set up...

Another solution, you can set up static IP on your computer like 10.1.102.xxx/24, and login the AP web interface. There will be a reset option on the web login page

On Controller Devices list, choose the EAP and on the right menu, click Config. On the bottom there is Manage Device option and here you can try forget the device. Not sure if it can work for you,...

@pokhui I don't think it has any influence on your network, but you can try to change the Redial Interval to a larger number. It can be found on the Controller-->Settings-->Network-->Internet-->PPPoE...