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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The fact that NAT/PAT is gone with IPv6 is one of the advantages of moving to it…end to end IPv6 connectivity.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>DNS registration depends on the OS/DNS server. Windows and Windows DNS will automagically register hosts in DNS, you only need to set up the reverse zone.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> dhcp-users-bounces+cholzhauer=sscorp.com@lists.isc.org [mailto:dhcp-users-bounces+cholzhauer=sscorp.com@lists.isc.org] <b>On Behalf Of </b>Eddie Lania<br><b>Sent:</b> Monday, September 06, 2010 1:16 PM<br><b>To:</b> Users of ISC DHCP<br><b>Subject:</b> Re: ipv6 deployment question<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><br>Okay,<br><br>I am already working on that scenario.<br><br>I use radvd only for router (gateway) advertisement. I set flags in radvd so that no stateless configuration is done on the hosts.<br>Hosts need to use dhcpv6 for ipv6 configuration. dhcp provides hosts with the unique local addresses.<br><br>This prevents hosts to communicate beyond the FC00::/7 to the outside world.<br><br>But this setup seems pretty useless since no NAT/PAT is available (yet) in ipv6. Hosts need real global (2000::/3) addresses to accomplish that.<br><br>I have a tun6to4 connection to the internet.<br><br>I could provide them with addresses by using a /64 subnet from the 2002::/16 subnet that is provided to me through the tun6to4 connection but then I keep breaking my mind about how addresses of these hosts would have to be registered in the local dns.<br><br>From what I know, it is not allowed to use the tun6to4 addresses to be registered in global dns.<br><br>So, I wonder how this should be done in the real ipv6 world. (I think nat/pat is not valid anymore in ipv6).<br><br>Regards,<br><br>Eddie.<br><br><br>This seems to work for the most part.<br><br>On Mon, 2010-09-06 at 16:17 +0530, Suprasad Mutalik Desai wrote: <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>Site local addresses are deprecated and are no more used. Instead we use Unique Local addresses,FC00::/7 (ULA) to assign addresses to the LAN side hosts. <o:p></o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal> <o:p></o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>Regd the RDNSS option although radvd has support for that but LAN side host doesn't support this option . So actually you cannot use this option for deployment. So As of now , until all the hosts support this RDNSS, better option would be RADVD + Stateless DHCPv6 server <o:p></o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal> <o:p></o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>Regards, <o:p></o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>Suprasad. <br> <o:p></o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>On 9/4/10, <b>Eddie Lania</b> <<a href="mailto:eddie@lania.nl">eddie@lania.nl</a>> wrote: <o:p></o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'>Okay, thank you again. That seems pretty straight forward :-)<br><br>One thing I still wonder about:<br><br>Is everybody that uses ipv6 just assigning global addresses to all the hosts in their lan?<br><br>Or are there also people that prefer to assign site global addresses to their hosts only?<br>What would be the benefit of that? You can't "nat" them to the outside world can you?<br><br><o:p></o:p></p></blockquote></blockquote><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p></div></body></html>