@jtpryan EAP660 should be able to handle that, its coverage usually 20 m radius? Depend on the environment. If you use Controller to manage your EAPs, yes, there are Notifications Settings you can...

@Arion "WAN: DHCP client lease expired. Began renewing the lease." You should connect a PC to replace the R605 and see if the network come stable again. This seems is a problem on the ISP side....

@obadvw EAP should connect to trunk port, make the port to trunk port see what happens?

@obadvw Try to locally access the controller and do the same change again. Create VLAN interface and then create SSID. If you want to block them from communicating with each other, you also need to...

@Shono make sure CPE has connected to the router successfully. Check the connectivity between Router and LAN port on the PoE injector. And you mentioned you have 3 CPEs, make sure they all have...

@KLX Under the Network > WAN, you could manually input your DNS address.