@paddepal As per your description, the two Archer C6 V3.20 are connected to the main gateway router with Ethernet cables via LAN, and both are working as access points. If that's the case, you can...

@jestenclay When you connecting the new Archer A6 to your mother's house, was it able to get a WAN IP address from the network? Can we have the screenshot on it? Who is the ISP, and what is the WAN...

@sadge What is the firmware version of the Archer C6 v2, is it an EU version or a US version? When the computer or phone connects to the WDS network, that's the C6 V2's, does it get a valid IP...

@cheesehead Hi, it's also suggested to connect a computer to the Xfinity modem with an Ethernet cable to monitor the connectivity for some time, ensure that the connection is pretty stable, and can...

@Atakan2000 Hi, the issue you're experiencing is different from others on this thread, it's suggested to start a new thread, we can discuss it there.

@Tamas71 Hi Tamas, thanks for the detailed problem description. Just wondering, have you got a chance to test the TG3442DE stability? You can connect it to a computer with an Ethernet cable to that...