Guest LAN and Captive Portal Without WAN

[fede909]

Hello guys, i have a pc with 2 ethernet port. I have installed the OPN sense on this pc and connect the firt network card to modem, i wnat that the second card have a new ip, for example 10.10.10.1 and on this network i want active a Captive portal for all my Access point.

How can i do that?