@Hank21 Thank you for the reply. I do have a static IP set for the controller, in fact, I have a static IP set for all of my network devices. It is hit or miss whether I can access the controller via...

I have a TP Link stack set up, including the OC200 controller, ER605 V1 router and the TL-SG2210P switch. For the last several days, the controller loses connection, both via Omada cloud and locally....