Forget about all the dynamic ip details. That doesn't work properly. I'm just looking for the steps in which I can get the static ip set up and the wa850re to extend my internet! And the moment as...

When I reset the main router the dynamic ip works on and off, but then completely fails after a week (as tried). My firmware is up to date. I have set a static ip on the wa850re, do I have to set a...

The firmware is up to date yes.

That is the gateway yes.

The DHCP is now off, the internet still isn't connecting?

I have entered the details exactly as you showed. This is what I get now, how to I complete the final stage of connecting to the internet?