netdev - Re: 6to4 NAT ?

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Message-ID: <20110207135512.GA3731@deee.intern.smurf.noris.de>
Date:	Mon, 7 Feb 2011 14:55:14 +0100
From:	Matthias Urlichs <matthias@...ichs.de>
To:	Jasper Spaans <spaans@...-it.com>
Cc:	netdev@...r.kernel.org
Subject: Re: 6to4 NAT ?

Hello,

> Sounds to me like you're looking for nat64. No built in support is
> available afaik, but http://ecdysis.viagenie.ca/ provides a netfilter
> module.

Alternately, there seems to be a stateless program which does the same
thing via a TUN interface:

http://www.litech.org/tayga/

This solutions seems superior to the ecdysis kernel module because
* stateless
* no out-of-tree kernel code with concurrency issues
* while it's userland code, I don't expect to have much traffic
* it can support multiple IPv4 networks on one system
  (we have customers with overlapping RFC1912 address ranges)
* more flexible deployment

-- 
-- Matthias Urlichs
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