IP masquarading

["Omar" <aldahir@communique.net>]

I have two computers at one is running openbsd and the other is a multi-boot system. I amusing 10.X.X.X for my machines. I set up pppd on my openbsd box and got it working just fine. Heres the question. How do I get it to act as a router so that it can take packets from other machine and forward them to my dial-up account? I thought that the OS has to support ip-masquarading. The distribution is OpenBSD 2.2 on an i386. thanks for your help.