@roffegust Hello, thanks for reporting issues on the community. Generally, the firewall won't affect the NAT forwarding setting on the router, can you please confirm below? 1. Please check if the...

@DebasishAD Hello, may I know who is your ISP, please? Is the internet working properly if you connect a computer to that modem directly? Kindly refer to this guide below to do some basic...

@Atin_Jain Hello, if the speed of the router is not as good as expected, please kindly check the below troubleshooting: What should I do if internet speed is slow when the device is connected to the...

@carterbrandon Hello, sorry that Archer C1200 doesn't support the Wireless MAC filtering feature.

@gopal1988 Hello, please refer to the below FAQ to make your router work as a range extender: How to configure the TP-Link 11N wireless router as Repeater

@TL-WR940W Hello, is there any specific device unable to connect to the 2.4GHz wireless of the Archer C6 or all wireless devices cannot connect to 2.4GHz? How about LAN and 5GHz wireless? If only...