*BSD News Article 91275


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From: Rick Goldeck <RickG@goldcominc.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: IP Masquerade on FreeBSD?
Date: Tue, 18 Mar 1997 00:28:13 -0500
Organization: GoldCom Inc.
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GEOF ABRUZZI wrote:
> 
> Is there an implementation of IP Masquerading for freeBSD?
> Linux doesn't work on my 486, but FreeBSD does.  Altenatively if I cant do
> IP Masquerading, how do I set up things for a standard PPP gateway?
> 
> I think I understand this much:
> The dial in at work is an NT server set to dole out an IP dynamically.
> That IP is assigned to the modem (ppp0) of the BSD machine at home. I
> statically assign an IP to the ethernet card in my BSD machine, BeBox,
> Amiga etc...All the otherr machines (BeBox, amiga, NeXT) use the IP of the
> BSD ethernet card as the gateway/router.  Here is where I get a bit
> confused.  What IP numbers can I use for the local ethernet?  Anything in
> the subnet of the ppp0? (The netmask is 255.255.240.0) What netmask should
> should I use at home? The smallest possible (i.e. 255.255.255.252)?  Does
> anything special need to be done at the server side?

The default /etc/hosts file gives 'legal' numbers. 10.0.0.0 (.1,.2,etc)
works for me
User ppp (as opposed to kernel pppd) is very easy. Check out the primer
at http://www.freebsd.org, it explains everything.

[snip]

Rick