@ReGen No other ideas. Probably you should contact support about this issue - https://www.tp-link.com/en/support/contact-technical-support/#E-mail-Support

@Anpu Sorry, I didn't realize that you're using this setup because of the OneMesh feature. There's no solution to this - since you're not using the C6 WAN port, there's no option to set its time...

@nyonyo Read through this FAQ. Also you can check these stories: Theoretical wireless rate and actual wireless rate 802.11 Wireless Rate Calculation And you should be able to find your answers.

@Anpu Why don't you set Archer C6 in AP mode - case 1. Connect ISP router LAN port to Archer WAN port and test if that will work for you.

@jpkan If your login page looks like this: Then router expects its local administrator password to log in with. But if you click on TP-Link ID: Then router would expect you to log in with your...

@nyonyo Let me clarify some details. In my post I was talking about the real bandwidth between a wireless client and the router. What you're talking about is the negotiated wireless connection speed...