FreeBSD as a VPN Server
It won’t always be the case that you only have one FreeBSD machine to connect to a remote Virtual Private Network. You might have to set up a routed, translated subnetwork of your own, for example, and create a permanent VPN tunnel to the remote network for the use of multiple machines on your own subnet. Fortunately, because you have set up the gif0 interface to use a virtual private IP address on your own local machine, making the jump to a fully routed VPN link should be child’s play.
All that’s required is a second Ethernet card on your machine that’s plugged into the local private network. Follow the same instructions listed in the previous section, except for the part where you alias the private address (192.168.0.1) ...
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