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nat-pt for ipv6/ipv4

To: <netdev@xxxxxxxxxxx>
Subject: nat-pt for ipv6/ipv4
From: "Imran Patel" <ipatel@xxxxxxxxxxxxxx>
Date: Sun, 3 Sep 2000 22:28:48 +0530
Cc: <netfilter@xxxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
is there any implementation of a nat module in Linux for translation of an ipv6 address to ipv4 address? (rfc 2766) this is said to be particularly useful when there is a network of ipv6 only hosts that want to communicate with an ipv4 host (to access a website for example). from the rfc i could only get that there has to be a nat box between this ipv6 only network and the ipv4 internet. this nat box/router (presumably a dual stack m/c) will then replace the source address (ipv6 address) of every outbound connection with the lone public ipv4 address it possesses using nat/napt.
At present, can a router that is both on an ipv6 & ipv4 network forward a packet from the ipv6 network to the ipv4 network using such translation?
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