@sujayvb Open the RE300 support page - here. Scroll down and there you should see a setup video guides for a different scenarios - pick the one that suits your needs.

@MortenB I would recommend to replace the A5 with a C80 or C64 (both gigabit routers supporting EasyMesh ethernet backhaul). EasyMesh support in AP mode is planned and eventually will be implemented...

@SlySly Here's a guide for configuring Address Reservation on your router. If your DHCP server IP address pool is from 192.168.1.100 to 192.168.1.249 (for example), make sure that IP addresses that...

@tree21 You won't be able to install these drivers manually because you have to execute setup.exe (driver folder doesn't include any .inf files). When you unplug the T3U are these still there ? If...

@danbmwm3 TL-SG116 is an unmanaged ethernet switch and it doesn't have an IP address.

@nimaasx Try to find this setting: