@Solla-topee I haven't had any problems since I applied your suggested settings. Thank you.

@Solla-topee Hello, > My main router is Xiaomi Mi Router 4A Gigabit Edition. I also have an Apple AirPort Time Capsule which get the Internet connection from Xiaomi with an ethernet cable and simply...

My RE450 is connected to my main router's 5GHz network and it extends the network via its own 5GHz with the same SSID. 2.4GHz is not enabled at all. The only client connected to my RE is my MacBook...