@BS1963 Go through this FAQ for managing your router remotely via tether app.

@BooBooKitty Go through this FAQ and check if that's where your issue comes from. If that's not the case reset the RE again and use its WebGUI for configuring - video.

@Garcia82 Here's the tipical usage of Link Aggregation feature. You can't use this feature with an unmanaged switch.

@AKsteve Ethernet ports (LAN2 and LAN3) should be greyed out when nothing is connected to these ports. Try to plug a devices like a laptop or a PC/Mac and check their status again.

@dfcs You can't use MR600 to build Onemesh with another wireless router - check Onemesh FAQ - Q10/A10.

@MichaelSTL I don't know what pass-through mode is in ATT router but the general considerations should be: If your ISP router is in bridge (modem only) mode the Deco should be in router mode. In this...