On the second access point, DHCP should be disabled?

Question

network hardware

The Internet comes to 1 wi-fi router, from it the cable from the port goes to the first port 2 of the wi-fi router.
How to configure DHCP so that routers do not conflict with each other?

Answer 1

Wifi points of routers are the same, disable dhcp on the second one. The cable should not be connected to the wan port of the second router, but to the usual one.