Note: these instructions assume that you have setup a TFTP server using the instructions in my previous post. You might want to go read that first.
Configuring your DHCP server to support PXE booting is pretty straight-forward, especially for Microsoft DHCP servers. I’ll describe how to setup ISC DHCPD as well.
With either server, you need to add two options, typically referred to as the boot server and boot filename.