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<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">I need one clarity from rfc-3315. It says from session 9.2 for DUID-LLT<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" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Courier">Clients and servers using this type of DUID MUST store the DUID-LLT<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Courier">in stable storage, and
<b>MUST continue to use this DUID-LLT even if the<o:p></o:p></b></span></p>
<p class="MsoNormal" style="text-autospace:none"><b><span style="font-size:10.0pt;font-family:Courier">network interface used to generate the DUID-LLT is removed</span></b><span style="font-size:10.0pt;font-family:Courier">. Clients<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Courier">and servers that do not have any stable storage MUST NOT use this<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Courier">type of DUID.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Courier"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Courier"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">It says that even if we remove the network interface that used to generate the DUID-LLT.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">That means do we need to use the same DUID even if we replace the new network interface card that has new link layer address.<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">Is my above assumption is correct. Please correct me if anything wrong.<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">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Madhu<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>
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<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+msandadi=nvtl.com@lists.isc.org [mailto:dhcp-users-bounces+msandadi=nvtl.com@lists.isc.org]
<b>On Behalf Of </b>Ted Lemon<br>
<b>Sent:</b> Friday, November 25, 2011 5:09 AM<br>
<b>To:</b> Users of ISC DHCP<br>
<b>Subject:</b> Re: Persistent DUID (DHCP Unique Identifier) for Server<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Nov 24, 2011, at 7:16 AM, Bjørn Mork wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span class="apple-style-span"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif"">option dhcp6.server-id "\000\003\000\001<your ethernet mac address in octal here>"</span></span><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif""><br>
<br>
</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Bear in mind that the RFC _requires_ that the DUID_LL only be used in cases where the hardware address is hard-wired, and can't be changed either by changing hardware or overwriting firmware.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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