@jack0607 Make sure the Local Network on VPN settings are the one that the new SSID belongs to? Can you see a VPN tunnel been established successfully?? Maybe VPN is not connected at all? On...

Did you set VLAN ID on SSID? If so, it might make one of them no internet.

@NonOffensive With the OC300 Controller, you can monitor your networks online remotely. Do they(4 locations) share the same gateway? Or they have their own gateway and public IP addresses?

@Zodium Do you set same SSID and Wi-Fi password for your Deco network and EAP network? You cannot roam from Deco to EAP or from EAP to Deco. Try to set a different SSID but same password for Deco and...

@Orandus I can't find anything wrong with everything you have done, maybe it's just a hardware issue on Router. Hope the New Router/replacement will be all good!

@Mask1974 How do you know “The power consumption of the APs (EAP620 1.0.6 (beta), EAP660 1.0.6 (beta)) does not change.”? Are you using the Controller to manage the EAP and PoE Switch? Currently,...