@LeandroD Your RE supports mesh via ethernet backhaul - details. But to use its ethernet backhaul your main router should support this feature too. So if your AX6000 doesn't support an ethernet...

@JayWatanabe That''s only a guess but the intercommunication among those wireless devices should be taken into account too. Keep in mind that during intercommunication among these wireless devices...

@BvdPutten Use this guide to login your router WebGUI. There's a troubleshooting part which includes factory reset of the router. If nothing works you can try the recovery procedure described here -...

@OCCiSOR Archer C6 v4 doesn't support a VPN Client feature - check its tech specifications here.

@pioche The port-forwarding rule should be configured in Router B (TL-WR841N) WebGUI. Here's how to do that - Case 1. If this firewall is part of your Router A - you don't have to configure any rules...

@Old_Bear The other thing that comes in my mind is that some of your devices may use a randomized MAC addresses - details. If you have only BE3600 DHCP server active on your network and you've set up...