<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Thought you might like this. <div><br></div><div>MacOS X Lion running IPv6-only in the IETF v6ONLY wireless network here in Quebec, and me being able to send/read mail with Mac Mail securely using just IPv6.<div><br></div><div>I can get to all the useful ECS web stuff via v6 only as well, of course, and all the IETF material is v6-enabled.<br><div><br></div><div>The key thing Lion has added is improved support for IPv6-only, including at last a DHCPv6 client that can get IPv6 DNS resolver information.</div><div><br></div><div>Tim<br><div><br><div>Begin forwarded message:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1.0);"><b>From: </b></span><span style="font-family:'Helvetica'; font-size:medium;">Tim Chown <<a href="mailto:tjc@ecs.soton.ac.uk">tjc@ecs.soton.ac.uk</a>><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1.0);"><b>Subject: </b></span><span style="font-family:'Helvetica'; font-size:medium;"><b>Re: [81attendees] Mac OS X on the "ietf-v6only" network?</b><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1.0);"><b>Date: </b></span><span style="font-family:'Helvetica'; font-size:medium;">25 July 2011 09:24:08 EDT<br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1.0);"><b>To: </b></span><span style="font-family:'Helvetica'; font-size:medium;"><a href="mailto:81attendees@ietf.org">81attendees@ietf.org</a><br></span></div><br><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 25 Jul 2011, at 09:15, Tim Chown wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>I selected the IPv6 only network just now using MacOS X Lion.<br><br>It appears that Lion has autoconfigured a SLAAC address (in that the address doesn't look like one assigned from a DHCP pool), and a privacy address, and has got DNS resolvers via DHCPv6 (just the two v6 resolvers, where DHCPv4 gives two IPv4 and two IPv6 resolver addresses).<br><br>With this configuration I can read/send mail on my home university account using Mac Mail with secure IMAP/smtp, and of course read my university and other (e.g. IETF) web content just fine.<br><br>So it turns out that the IPv6 only network here is now a pretty nice way to focus on work without being tempted to visit some non work-related legacy IPv4 site ;)<br><br>Tim<br></div></blockquote><div><br></div>And here is the SMTP trail for this email, showing my Lion Mac sending from its IETF v6ONLY wireless network privacy address to my home university SMTP server using TLS, and from there our servers sending the mail on to the IETF list servers, all with IPv6 transport:</div><div><br></div><div><p style="margin: 0.0px 0.0px 1.0px 206.0px; 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Mon, 25 Jul 2011 14:15:38 +0100</p><div><br></div><div>I'm sure to many people this shouldn't be a surprise, but useful to highlight that it just works.</div><div><br></div><div>Tim</div></div></div>_______________________________________________<br>81attendees mailing list<br><a href="mailto:81attendees@ietf.org">81attendees@ietf.org</a><br>https://www.ietf.org/mailman/listinfo/81attendees<br></blockquote></div><br></div></div></div></body></html>