@Peterdu There is known case when WAN IP or WAN DNS IP is from the same IP segment as LAN. I thought it might be the case here, but it is not. If you try different LAN IP range, for example...

@SanderBun With Deco M9 Plus, you can run "Test Internet Speed" from Deco app, which can be found under More. Not every Deco model has that feature, but M9 Plus does. That will report the speed of...

@Peterdu Peterdu wrote My setup: WAN: Bridge Mode LAN IP: 192.168.2.254/24 DHCP Server: Start IP: 192.168.2.50 End IP: 192.168.2.250 What is your Main Deco WAN IP and WAN DNS servers IPs? See...

@Andreipr In Access Point mode, Deco mesh runs its own WiFi network. It will not expand non-Deco router WiFi network. Because of that: Case 1 will work, and Deco X60s will form WiFi 6 network. You...

@solderchicken There is some sort of conflict between your home network IP range and IP addresses of your DNS servers, that Deco mesh tries to resolve and messes up. If you can't change DNS IP...

@Mandioca It would help TP-Link Support if you can share brands and models of your smartphones and tablet that have issues with Deco mesh. Perhaps, TP-Link Support is already aware of it as a known...