@juels said in Zyxel USG40 DHCP Pool:

Actually I don’t need dual NICs since the server is located in my department, so I can just access it when I need it.
I actually just want a FOG server and a 24port switch connected so I can connect my workstations for deployment, but what about dhcp then?

Well you do and you don’t. To install FOG the fog server needs to have internet access. BUT FOG gets cranky when you change its IP address after FOG is installed. So its best to have 2 network interfaces. One for management and internet access to install/upgrade FOG and one for imaging (if you want an isolated imaging network, not specifically required). If you have an isolated imaging network then you will need to configure the FOG server to be the dhcp server for the imaging network. Just understand the system’s imaged on the imaging network won’t have access to the rest of your network including the AD server if the target servers will connect to AD.

If you are concerned about network traffic AND as part of the imaging process your computers need to reach out of the isolated network you are better off not to use an isolated imaging network. You can modify your design a bit to plug the fog server and computers to be imaged on that 24 port switch, then plug that 24 port switch into your business network. All imaging will stay local to that 24 port switch but the clients that are imaged will be able to reach your business network servers and the internet if needed.