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<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">There is actually a vendor-dependent way to do this using DHCP option 82. The problem is, that Option 82 spec
for circuitID is left up to the vendor to define. Some vendors (e.g. Dell/Forec10) include the vlan information in the circuited (vlan:blade:port), others (e.g. HP) just include the port.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">We use this to assign per vlan IPs using Option82 to clients, but not with ISC DHCP at this time. With patches,
this is possible with isc-dhcp as well.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></font></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><font size="2" color="black" face="Tahoma"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext;font-weight:bold">From:</span></font></b><font size="2" color="black" face="Tahoma"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
dhcp-users-bounces@lists.isc.org [mailto:dhcp-users-bounces@lists.isc.org] <b><span style="font-weight:bold">On Behalf Of
</span></b>Sergey E. Ponomarev <pse@aaanet.ru><br>
<b><span style="font-weight:bold">Sent:</span></b> Tuesday, July 15, 2014 7:37 AM<br>
<b><span style="font-weight:bold">To:</span></b> dhcp-users@lists.isc.org<br>
<b><span style="font-weight:bold">Subject:</span></b> Re: 2 ips for one client nic<o:p></o:p></span></font></p>
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<p class="MsoNormal" style="margin-left:.5in"><font size="3" color="black" face="Times New Roman"><span style="font-size:12.0pt">Thanks alot for answers.
<br>
</span></font><span class="hps"><span lang="EN">Understood the main</span></span> - the is no such feature in dhcp v4 specs.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><span class="hps"><font size="3" color="black" face="Times New Roman"><span lang="EN" style="font-size:12.0pt">I thought</span></font></span><span class="shorttext"><span lang="EN">
</span></span><span class="hps"><span lang="EN">that the problem</span></span><span class="shorttext"><span lang="EN">
</span></span><span class="hps"><span lang="EN">is quite</span></span><span class="shorttext"><span lang="EN">
</span></span><span class="hps"><span lang="EN">common</span></span><span class="shorttext"><span lang="EN">.</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><font size="3" color="black" face="Times New Roman"><span style="font-size:12.0pt"><o:p> </o:p></span></font></p>
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<br>
<o:p></o:p></span></font></p>
<pre style="margin-left:.5in"><font size="2" color="black" face="Courier New"><span style="font-size:10.0pt">-- <o:p></o:p></span></font></pre>
<pre style="margin-left:.5in"><font size="2" color="black" face="Courier New"><span style="font-size:10.0pt">Sergey Ponomarev<o:p></o:p></span></font></pre>
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