From owner-freebsd-questions  Mon May 11 07:10:58 1998
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To: THIERRY.HERBELOT@telspace.alcatel.fr
cc: freebsd-questions@FreeBSD.ORG
Subject: Re: Proxy ARP, routing, RFC1027 and the BSD TCP/IP stack 
In-reply-to: Your message of "Mon, 11 May 1998 14:43:31 +0200."
             <H000057c015774ac@MHS> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Mon, 11 May 1998 07:08:41 -0700
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>     The RFC 1027 introduces the use of Proxy ARP to enable old machines 
>     without subnetting to use routers (a router automatically answers the 
>     ARP requests from the old machine for IP addresses outside the local 
>     net). It seems CISCO routers implement the RFC (default behaviour).
>     
>     I would like to use a FreeBSD machine as such an "automated" Proxy ARP 
>     to use it as a gateway for a machine with a *very* limited stack 
>     (using the RTC real-time kernel).
>     
>     This RFC specifically mentions patches to the TCP/IP stack (for 
>     BSD43). But the RFC is old (Oct . 87). I've attempted a quick search 
>     on Internet, but without success.
>     
>     Has someone kept a copy of the indicated patches ?

   You should be able to get the behavior you're looking for in FreeBSD with
the "ARP_PROXYALL" kernel option. I use it here myself on my gateway router.

-DG

David Greenman
Co-founder/Principal Architect, The FreeBSD Project

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