<html><body><div style="font-family: Andale Mono; font-size: 10pt; color: #000000"><div>The latest version of dhcpd in alpha testing right now has a formal option to turn on using only the MAC address / ignoring UID. It is recommended not to use the option, however, as it breaks RFC.</div><div><br></div><hr id="zwchr"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Eivind Olsen" <eivind@aminor.no><br><b>To: </b>dhcp-users@lists.isc.org<br><b>Sent: </b>Thursday, January 9, 2014 9:36:12 AM<br><b>Subject: </b>Re: DHCP gives out same IP address to two clients<br><div><br></div>Steinar Haug wrote:<br><div><br></div>> Your DHCP server is working as expected. The standard says that client<br>> identifier should be used in preference to MAC address - if it exists.<br>> Both your leases show client identifier (uid) "589br".<br><div><br></div>Yep, I just noticed that bit. Thanks :)<br><div><br></div>> There's been multiple requests through the years to always use MAC<br>> address and ignore client identifier - and also some patches.<br><div><br></div>I'll look for these (and see if anything can be done to get those CPEs to<br>behave properly).<br><div><br></div>Regards<br>Eivind Olsen<br><div><br></div><br>_______________________________________________<br>dhcp-users mailing list<br>dhcp-users@lists.isc.org<br>https://lists.isc.org/mailman/listinfo/dhcp-users<br><div><br></div></blockquote><div><br></div></div></body></html>