<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></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 Oct 14, 2015, at 1:07 AM, Victor Lyapunov <<a href="mailto:victor.lyapunov@gmail.com" class="">victor.lyapunov@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class=""><div class="">Hello All<br class=""><br class=""></div>For a xDSL deployment we are trying to provide a relative lease stability for the CPEs. Effectively to ensure that the subscribers - after the lost of DSL sync - receive the same address (especially DHCP_PD since we need to avoid having to re-address the CPE's LAN after every lost of DSL sync)<br class=""></div><div class=""><div class=""><br class=""></div><div class="">Is there a way to achieve this using ISC? For Kea DHCP server <br class="">(<a href="http://git.kea.isc.org/~tester/kea/doxygen/d8/d5f/libdhcpsrv.html" class="">http://git.kea.isc.org/~tester/kea/doxygen/d8/d5f/libdhcpsrv.html</a>)<br class=""></div><div class="">it makes mention to a "hashed - allocator" where the server assigns addresses based on a hash of the subscribers's DUID (Not sure if Kea can do it for DHCP_PD but it seem a very useful functionality)<br class=""></div><div class=""><br class="">Is there a way to achive this in ISC DHCP server, namely assign addresses based on a hash of a subscribers's DUID (instead of simply iterating through the pool)?<br class=""><br class=""></div><div class="">Are there any other alternative to achive this "relative lease stability" for DHCP_PD?<br class=""><br class=""></div><div class="">Best Regards<br class=""><br class=""></div><div class="">Victor<br class=""></div></div></div>
_______________________________________________<br class="">dhcp-users mailing list<br class=""><a href="mailto:dhcp-users@lists.isc.org" class="">dhcp-users@lists.isc.org</a><br class="">https://lists.isc.org/mailman/listinfo/dhcp-users</div></blockquote></div><br class=""><div class="">ISC DHCP does use a hash to pick the address or prefix to use.</div><div class=""><br class=""></div><div class="">Shawn</div><div class=""><br class=""></div></body></html>