I have built a smoothwall router in a mini-itx case with an atom board for a specific job. I have a HP7170 network card that has 2 ethernet ports on. This makes 3 ports in total as there is one on the board also:
eth 0 (port 1 on the HP nic) GREEN ZONE
eth1 (port 2 on the HP nic) ORANGE ZONE
eth2 (port on the atom board) RED ZONE
My problem is that I would like to bond the two HP ports to work under the Green zone (working as a switch would) I only need the RED and the GREEN. I could just buy a cheap switch but I would like to keep the box as an AIO router.