One router for two networks?

[jxzcvk]

Hi All,


I have 2 networks at home one in my man cave using a crappy cable modem serving a few hosts and another using an ADSL modem in bridge mode and ac66u running ASUS merlin for the rest of the house.


I only have 1 cat6 port from the mancave to the ac66u so I don’t want to set the cable modem to bridge mode and I want to keep the ac66u at the central location.


It is possible to set one of the LAN ports on the ac66u to the cable subnet and broadcast that subnet in a different SSID? Maybe through dual wan or AP mode?


Thanks

-J