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From: Marko Zec <zec@icir.org>
To: Julian Elischer <julian@elischer.org>
Date: Tue, 25 Jul 2006 14:02:46 +0200
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Cc: Brett Glass <brett@lariat.net>, freebsd-net@freebsd.org,
	Brian Candler <B.Candler@pobox.com>
Subject: Re: Multiple NAT router
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On Monday 24 July 2006 22:40, Julian Elischer wrote:
...
> >Also, what would really suit him is a netgraph IP interface node - i.e.
> >something which takes raw ethernet frames from the interface, performs IP
> >encapsulation/decapsulation and ARP - and an IP forwarding node with its
> > own forwarding table. Has anyone done any work in that area? It would be
> > really cool for VPN edge routing, for example.
>
> an ng_ip node :-)
> I've considerred it.

The Click modular router already provides a relatively complete IP forwarding 
path, including ARP handlers and several flavors of IP routing lookup nodes.  
I think it also icludes a NAT module, but have never tried it.  Most 
importantly, it can work as a kernel module in FreeBSD, but only on 4.x.

Marko