I have a dual core machine at home w/ 8GB RAM and 3 TB HDD. I have a static IP and a couple of registerd domain names.I have a consumer grade ZTE VDSL2 modem/WiFi accesspoint/router/switch that I can put into bridge mode. After PRISM expose I decided to have my own server for cloud storage, blog, proxy/filter, mail server, active directory and Diaspora social network. I have 5 other computers, 3 tablets and couple of smartphones at the moment.
I am planning to run my own DHCP and DNS server (with some CNAMEs). I searched over the Internet but couldn't clear my mind. AFAIU there are two possible configurations:
I. Put the modem on bridge mode and use it as a media converter only. Connect server to WAN port of modem through ethernet. Connect a switch to a second ethernet on the server. Install a USB wireless dongle to server on bridge mode as well. Connect server to internet via PPPoe and use as DHCP server for other computers (wired and wireless). This is less desirable for me because of lack of 802.1n in dongles I have and short range.
Q1 Is it possible to use WiFi access point on modem since DHCP server is on server.
II. Use modem in bridge mode use it as switch and wireless access point as well. Connect server (in this case PPPoe possible is not possible) and other computers to modem's on board ethernet switch.
Q2 In this case is it possible to turn off modem's DHCP server and get the IP numbers from DHCP server on the server computer.
Q3 Is it possible to use this computer as DNS server (BIND9 for CNAMEs) as well?