@Xidogdo-8964 Try testing with another cable - factory made, with a good quality of category 5E or higher. If the ethernet ports still don't work, probably your modem ethernet switch port got faulty.

@Nunomath Most probably your RE210 was with a customized FW from your ISP. So your best bet is to contact your ISP on this issue. By default in Europe and US this RE model has only RE mode...

@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.