@dcdeedee Hi, the answer is Yes. You could select login the web interface of the router and go to Internet page to change Internet Port from 2.5Gbps WAN/LAN to the 1Gbps WAN/LAN, then the 2.5Gbps...

@Sdradmin Hi, for port forwarding, please refer to this guide to set up the virtual server: Port forwarding: how to set up virtual server on TP-Link wireless router?

@ntphu1808 Hi, may I know the WAN connection type on the main router? like Dynamic IP or PPPoE? and who is your ISP? When the issue happens, what is the LED status on the main and satellite routers?...

@reallycleansauc You mean unable to enter the password to login? Please try a different web browser or try the browser incognito mode to see if it works.

@Nikitasingh Hi, may I know if the issue only happens with the specific laptop? how about the wired and wireless speed on other client devices? Please connect the same laptop to your ISP modem...

@sporkInTheRoad @woozle is correct, the size of the coaxial plug of Archer AXE95 power supply is 2.1*5.5*9.0mm.