@risehouse Troubleshooting If the error happens frequently, use these steps to identify and fix the underlying cause: Clear Browser Cache: Old cached data frequently causes Web UI conflicts. Clear...

@Serg_Sony Go through this thread regarding your issue.

@risehouse How do you access the router's WebGUI - on its default iP address http://192.168.0.1 or http://tplinkwifi.net ? This could happen when your device is not connected to the router's wireless...

@For230 Archer BE230(EU)_V2_1.3.1 Build 20260106 can be seen as the latest FW release on the global support portal.

@Astyn26 Despite the fact that Archer C6 is a gigabit router as well, try another CAT5E cable and check if there's any difference. I would also try another LAN port on the Archer C6. If that doesn't...

@Astyn26 To what device your AX1800 connects to on its WAN port (make and model) ?