Hi, i've set up a test configuration with IPCop as firewall on a HP Microserver N36L, the two NICs involved are two gigabit intel 82571EB:
http://www.intel.com/design/network/products/lan/controllers/82571eb.htm
This is network configuration:
ETH1 is WAN SIDE
ETH2 is LAN SIDE
ETH1 take a...