How to make PCs that are “behind the router” visible on the network?

Question

Network routing

there are 2 routers, one just distributes the Internet (192.168.1.1)
the second stands as a "trip" and at the same time wifi (192.168.0.1), the problem is that from network 1.1 it is not visible 0.1
0.1 tp-link router

Answer 1

you don't want to disable dhcp on your "threesome", then plug the internet cable into the LAN port instead of the WAN. Then you don't have to make anything visible.