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<p class=MsoNormal><span style='color:#1F497D'>Me as well.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='color:#1F497D'>Jeremy Phillips<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Systems Administrator<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>"Your local Communications
Provider."<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>D&P Communications, Cass
Internet L.L.C<o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<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@lists.isc.org [mailto:dhcp-users-bounces@lists.isc.org] <b>On
Behalf Of </b>Gideon Viator<br>
<b>Sent:</b> Wednesday, April 22, 2009 3:54 PM<br>
<b>To:</b> frnkblk@iname.com; 'Users of ISC DHCP'<br>
<b>Subject:</b> RE: Restricting ONT's Ethernet port to singe active IP address<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>I am also curious if this can be done. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'><o:p> </o:p></span></p>
<div>
<p class=MsoAutoSig><strong><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Gideon Viator</span></strong><span style='color:black'><o:p></o:p></span></p>
<p class=MsoAutoSig><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>IT Systems Administrator </span><span style='color:black'><o:p></o:p></span></p>
<p class=MsoAutoSig><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Kaplan Telecommunications</span><span style='color:black'><o:p></o:p></span></p>
<p class=MsoAutoSig><span style='color:black'> <o:p></o:p></span></p>
</div>
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<hr size=2 width="100%" align=center>
</span></div>
<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@lists.isc.org [mailto:dhcp-users-bounces@lists.isc.org] <b>On
Behalf Of </b>Frank Bulk<br>
<b>Sent:</b> Wednesday, April 22, 2009 14:47<br>
<b>To:</b> dhcp-users@isc.org<br>
<b>Subject:</b> Restricting ONT's Ethernet port to singe active IP address</span><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>In
the cable modem and DSL world it’s pretty easy to restrict the premise
equipment to a single IP address. <o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><span
style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>In
the cable modem world that can be assigned to the CM configuration file or on
the CMTS. <o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><span
style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>DSL
has a couple of flavors. With PPPoA it’s a single IP address per
vp/vc. With PPPoE it can be nicely controlled on a per username or
connection basis. With Cisco’s RBE there’s “DHCP Lease Limit per ATM RBE
Unnumbered Interface” to control handing out IP addresses.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>But
an RFC-1483-like FTTH implementation doesn’t come with all those
benefits. We could put a $50 CPE in each home with PPPoE and be
responsible for managing it, but we would prefer to let customers plug in their
own equipment into the ONT, but just get one IP address.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Option
82 support seems like the closest way to get it done, by creating classes and
handing out an static IP, but I understand the process correctly, it requires
generating a class for each Option 82 string and assigning a static IP
address. That has the negatives of creating classes in advance and giving
out statics when I don’t want to give out statics.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>What
it <i>seems</i> I want is to be able to use dynamic classes and hand out just
one IP address for each Option 82 string. I know that dhcp is built
around using the MAC address as the standard identifier, but is there any
solutions to the challenge we’re facing?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>We
also want our customers to be able to change CPE half-way through a lease and
not have to call the helpdesk to flush their legacy DHCP leases because their
new CPE doesn’t get an IP address. ;)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>I’m
open for suggestions, and for those who can design an elegant solution that doesn’t
require any re-compiling of code, a bounty.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Frank<o:p></o:p></span></p>
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