@Hank21 Thank you for your answer. It looks like I lose the controller locally and on the web cloud and the cloud led is going off for a while and after a while I can connect again and down again. I...

I have an OC300 controller, er707-m2 router, 6 tl-sg3428 switches, sg2210 switch, eap230 and eap225 devices. I have internet to a pc connected directly to the er707-m2 but on the rest of the network...