I interpreted the question / diagram more literally than the previous 3 posts. So can you please explain if these two routers are in the same building and what looks like a wire connecting LAN 1 of the two routers is a phyical cat 5 link. Because if that's the case, then I don't think that any sort...

Hello guys. I have the following scenario that I cannot figure out how to make it work. https://i.imgur.com/dW5vvoD.jpeg What I need to do is to connect both LAN 1 and LAN 2 so devices on each network can see each other, and also be able to enter to both router configuration from any side. These are...