From mboxrd@z Thu Jan 1 00:00:00 1970 From: Davide Brini Subject: Re: natting an ipv6 address into an ipv4 one? Date: Tue, 8 Feb 2011 09:35:19 +0000 Message-ID: <201102080935.19283.dave_br@gmx.com> References: <4D510B89.5050706@campana.vi.it> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4D510B89.5050706@campana.vi.it> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: Text/Plain; charset="us-ascii" To: netfilter@vger.kernel.org On Tuesday 08 Feb 2011 09:23:21 Ottavio Campana wrote: > I have a question about ipv6 and nat. > > Suppose you have a box with 2 NICs, one running ipv6 attached to the > main network and one running ipv4 directly attached to an old device > that does not support ipv6. Thus, the box with two NICs has to play the > role of protocol translation, by taking IPV6 packets and send them with > IPV4 to the old device > > Is it possible to directly DNAT packets or do I have to do something > different? It sounds like you want NAT64, eg see http://ecdysis.viagenie.ca/ -- D.