<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jun 7, 2016, at 3:28 AM, Bouazouzi Maëlan (M.) <<a href="mailto:maelan.bouazouzi@polytechnique.edu" class="">maelan.bouazouzi@polytechnique.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;" class=""><div class=""><div style="margin: 0px;" class="">Hi,</div><div style="margin: 0px;" class=""><br class=""></div><div style="margin: 0px;" class="">Dhcpd6 with failover its possible?</div><div style="margin: 0px;" class="">I dont find documentation about this configuration...</div><div style="margin: 0px;" class=""><br class=""></div><div style="margin: 0px;" class="">Thanks.</div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><span name="x" class=""></span><div style="margin: 0px; background-color: rgb(253, 253, 253);" class=""><b class=""><span style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" data-mce-style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" class="">Best Regards,<br class=""></span></b></div><div style="margin: 0px; background-color: rgb(253, 253, 253);" class=""><b class=""><span style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" data-mce-style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" class=""> </span></b></div><div style="margin: 0px; background-color: rgb(253, 253, 253);" class=""><b class=""><span style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" data-mce-style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" class="">Maëlan BOUAZOUZI<br class=""></span></b><i class=""><span style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" data-mce-style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" class="">DSI - RVD</span></i><i class=""><span style="font-size: 10pt; font-family: 'Lucida Sans', sans-serif; color: #073763;" data-mce-style="font-size: 10pt; font-family: 'Lucida Sans', sans-serif; color: #073763;" class=""></span></i></div><div style="margin: 0px; background-color: rgb(253, 253, 253);" class=""><i class=""><span style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" data-mce-style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" class="">Network Engineer</span></i></div><div style="margin: 0px; background-color: rgb(253, 253, 253);" class=""><i class=""><span style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" data-mce-style="font-size: 10pt; font-family: Georgia, serif; color: #073763;" class=""> </span></i></div><div style="margin: 0px; background-color: rgb(253, 253, 253);" class=""><i class=""><span style="font-size: 9pt; font-family: 'Lucida Sans', sans-serif; color: #073763;" data-mce-style="font-size: 9pt; font-family: 'Lucida Sans', sans-serif; color: #073763;" class=""><br class=""></span></i></div></div></div></div></div></blockquote><div><br class=""></div>The IETF has not finished the v6 failover protocol draft.  It is currently</div><div>being worked on in the DHCP working group.  See </div><div><a href="https://datatracker.ietf.org/wg/dhc/documents/" class="">https://datatracker.ietf.org/wg/dhc/documents/</a></div><div>for information about the WG and</div><div><a href="https://datatracker.ietf.org/doc/draft-ietf-dhc-dhcpv6-failover-protocol/" class="">https://datatracker.ietf.org/doc/draft-ietf-dhc-dhcpv6-failover-protocol/</a></div><div>for the protocol itself.</div><div><br class=""></div><div>As v6 has a much larger address space you may also be</div><div>able to avoid using a failover set up by simply running multiple</div><div>DHCPv6 servers with non-overlapping address pools.  This</div><div>will provide redundant DHCPv6 service but will require that</div><div>client get new addresses if the server they originally got an</div><div>address from becomes unavailable.</div><div><br class=""></div><div>regards,</div><div>Shawn</div><br class=""></body></html>