@T6xic I do think it is Online Detection that send this Ping. No other function needs to Ping a public DNS server. I guess the router will not only ping google, but it will ping other domins when it...

@Ne. Hi I've read many related ports before. Many people have this issue because the new controller version need to use port 29814 to adopt the devices. Old version controller only use 29810-29813....

@PanamaPat You may try Watch Dog function, to let CPE reboot itself when AP lost Internet. I don't have CPE710 so the screenshot comes from a CPE510, but I believe they have the same UI. It's under...

@ingeborgdot For me it's not important. DNS only take effect when the device wants to go to a RUL. And since you have a Controller, I don't think your switches/EAP need to go to any URL directly. You...

@Luds What is the model number of your Access Point? I feel like it is related to the wireless connection, not the router ER7206. If I'm not wrong tplink found compatible issue with Sonos speakers...

@2ramiro If it is related to VLANs, you may check two following things: 1. On TL-SG3210 switch Ports settings, the downlink port ( connected to EAP615) should have profile All; 2. On Devices list,...