From owner-freebsd-net Mon Dec 7 11:30:04 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA03598 for freebsd-net-outgoing; Mon, 7 Dec 1998 11:30:04 -0800 (PST) (envelope-from owner-freebsd-net@FreeBSD.ORG) Received: from gvr.gvr.org (gvr.gvr.org [194.151.74.97]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA03504 for ; Mon, 7 Dec 1998 11:29:54 -0800 (PST) (envelope-from guido@gvr.org) Received: (from guido@localhost) by gvr.gvr.org (8.8.8/8.8.5) id UAA18552 for freebsd-net@FreeBSD.ORG; Mon, 7 Dec 1998 20:29:49 +0100 (MET) Message-ID: <19981207202949.A18531@gvr.org> Date: Mon, 7 Dec 1998 20:29:49 +0100 From: Guido van Rooij To: freebsd-net@FreeBSD.ORG Subject: Re: IPv6-over-IPv4 auto tunnel References: <19981207193525.A18185@gvr.org> <2045.913057651@turmeric.itojun.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.93.2i In-Reply-To: <2045.913057651@turmeric.itojun.org>; from Jun-ichiro itojun Itoh on Tue, Dec 08, 1998 at 04:07:31AM +0900 Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message