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Many of today's desktop systems and servers come with on board gigabit network controllers. After some simple speeds tests you will soon find out that you are not be able to transfer data over the network much faster than you did with a 100MB link. There are many factors which affect network performance including hardware, operating systems and network stack options. The purpose of this page is to explain how you can achieve up to 930 megabits per second transfer rates over a gigabit link using OpenBSD as a firewall or transparent bridge.

It is important to remember that you can not expect to reach gigabit speeds using slow hardware or an unoptimized firewall rule set. Speed and efficiency are key to our goal. Lets start with the most important aspect of the equation, hardware.