As the sketch suggests, I'm trying to design a home network using a Mac mini as a DNS and DHCP server. My idea is to have the ISP router only act as Gateway to the internet. Since the Mac mini only has one ethernet connection, I was thinking to put a switch between the ISP router and Mac + Ubiquiti AP.
My question is, could a configuration like the above work? Or would I require some other configuration? I do not want the wireless devices to get IPs from the ISP router. I have disabled the Wifi on that one as well. How can I make sure that the AP hands out IPs on the Mac's subnet and not on the ISP router's subnet?
Thanks in advance!
71 Answer
You need to deactivate the DHCP Server on the ISP router. There can't be two DHCP servers on the same LAN/WLAN. This is unless you can configure the switch not to "forward" DHCP packages to your ISP router (which usually can not be done on consumer switches).
Make sure that your ISP router is in the subnet as the MAC mini! If they are not in the same subnet your MAC mini will need routing functionality.
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