From owner-freebsd-net Mon Dec 7 11:30:04 1998
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Date: Mon, 7 Dec 1998 20:29:49 +0100
From: Guido van Rooij <guido@gvr.org>
To: freebsd-net@FreeBSD.ORG
Subject: Re: IPv6-over-IPv4 auto tunnel
References: <19981207193525.A18185@gvr.org> <2045.913057651@turmeric.itojun.org>
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In-Reply-To: <2045.913057651@turmeric.itojun.org>; from Jun-ichiro itojun Itoh on Tue, Dec 08, 1998 at 04:07:31AM +0900
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On Tue, Dec 08, 1998 at 04:07:31AM +0900, Jun-ichiro itojun Itoh wrote:
> >> One thing we don't implement intentionally is automatic tunnelling
> >> (packets to ::10.1.1.1 automatically tunnelled over IPv6-over-IPv4
> >> tunnel to 10.1.1.1).
> >Hmm..what does happen when I have a IPV6/V4 host that has an IPV6
> >native address (so no V4 compatible address) that wants to communicate
> >to an IPv4 host? Do I need to set up IPV4 specific routes to
> >a dual stack machine that does the tunneling for me?
>
> Your story has nothing to do with auto tunnel.
> Automatic tunnel (::10.1.1.1) is only for communication between two
> IPv4/v6 dual stack hosts.
Ah okay. I didnt have my books at hand and I'm kind of new in this area.
>
> For a IPv6-only host (or IPv4/v6 dual stack host without IPv4 address)
> to communicate with IPv4 host, you need to have IPv6-to-IPv4
> translator (TCP relay server like socks or KAME FAITH, or web proxy)
> between two. There's no magical way.
Thanks for clarifying this.
-Guido
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