cayvman wrote i have no idea why. I was trying to follow the logic that WAN was eth1 and LAN eth0. Quite frankly, I am lost with this stuff. I thought i had a clue but not anymore. Not your fault....

Manual is just a click away: http://static.tp-link.com/Archer C7_V4_User Guide.pdf There are lots of useful resources on the TP-Link web site (see section Support): documentation, FAQs, HOWTOs,...

Guys, did you ever RTFM? The 2.4 GHz and 5 GHz LEDs are the WiFi LEDs.

Just read the documentation. It's all in there.

baldog wrote Sorry what does mcs stand for/how do i alter it? MCS = Modulation and coding index. Boring tech stuff, what's important to the average user is the resulting wireless speed, which depends...

Why did you exchange eth0 <-> eth1? On routers with two NICs, one is wired to the port labelled "Internet" and the other one is wired to the 4-port switch. You can't exchange them at will. eth0...