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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Sounds like quite a project and more than a little familiar. Glad you appear to have a clear path forward, long as it may be.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">All the best.<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> dhcp-users <dhcp-users-bounces@lists.isc.org>
<b>On Behalf Of </b>Mike Hammett<br>
<b>Sent:</b> Saturday, August 25, 2018 4:29 PM<br>
<b>To:</b> Users of ISC DHCP <dhcp-users@lists.isc.org><br>
<b>Subject:</b> Re: Option 82 Issues<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">The 192.168.120 has a bunch of management interfaces, including the DSLAMs, across the whole company.<br>
<br>
I'm breaking up each town into 172.19.xx.xx addresses. Getting the modem management moved, then modem Internet, then whatever modem VLANs\IP spaces there are. Then I'll actually move those DSLAM management IPs out of 192.168.120 into whatever 172.19 space is
 appropriate for it. Right now everything's a big mess and I'm cutting it up. Eventually I'll be able to drop the 192.168.120 range and possibly the shared network config altogether.<br>
<br>
<br>
Oh, I didn't realize I didn't report back. Yeah, the shared network did it. Working on the rest of the project now.<o:p></o:p></span></p>
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<br>
-----<br>
Mike Hammett<br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><a href="http://www.ics-il.com/"><span style="font-size:13.5pt;font-family:"Times New Roman",serif">Intelligent Computing Solutions</span></a></span><span style="font-size:13.5pt;color:black"><br>
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</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><a href="http://www.midwest-ix.com/"><span style="font-size:13.5pt;font-family:"Times New Roman",serif">Midwest Internet Exchange</span></a></span><span style="font-size:13.5pt;color:black"><br>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-family:"Helvetica",sans-serif;color:black">From:
</span></b><span style="font-family:"Helvetica",sans-serif;color:black">"Patrick Trapp" <<a href="mailto:ptrapp@nex-tech.com">ptrapp@nex-tech.com</a>><br>
<b>To: </b>"Users of ISC DHCP" <<a href="mailto:dhcp-users@lists.isc.org">dhcp-users@lists.isc.org</a>><br>
<b>Sent: </b>Saturday, August 25, 2018 4:24:00 PM<br>
<b>Subject: </b>Re: Option 82 Issues<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:black">We have to do exactly what Christian prescribed. The source network is not controlled by this DHCP system, so the shared network includes only the network statement, no provision
 to assign addresses. If you are able to carve up that 192.168 range, that should work fine for you.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:black">Patrick<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Helvetica",sans-serif;color:black"><br>
On Aug 25, 2018, at 7:16 AM, Mike Hammett <<a href="mailto:isc-dhcp-users@ics-il.net" target="_blank">isc-dhcp-users@ics-il.net</a>> wrote:<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Long term I can probably move 192.168.120.x into 172.19.50.x.<br>
<br>
Short term, I'll see if the shared network will work. There is actually a single 192.168.120.x across all sites and I'm on a project to break them up into a subnet per site (172.19.50.x, 172.19.40.x, etc.). I'll work on a shared network for everything and then
 "unshare" when I can complete the migration.<br>
<br>
<br>
Thank you.<o:p></o:p></span></p>
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<br>
-----<br>
Mike Hammett<br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><a href="http://www.ics-il.com/" target="_blank"><span style="font-size:13.5pt;font-family:"Times New Roman",serif">Intelligent Computing Solutions</span></a></span><span style="font-size:13.5pt;color:black"><br>
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</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><a href="http://www.thebrotherswisp.com/" target="_blank"><span style="font-size:13.5pt;font-family:"Times New Roman",serif">The Brothers WISP</span></a></span><span style="font-size:13.5pt;color:black"><br>
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<p class="MsoNormal"><b><span style="font-family:"Helvetica",sans-serif;color:black">From:
</span></b><span style="font-family:"Helvetica",sans-serif;color:black">"Christian Kratzer" <<a href="mailto:ck-lists@cksoft.de" target="_blank">ck-lists@cksoft.de</a>><br>
<b>To: </b>"Users of ISC DHCP" <<a href="mailto:dhcp-users@lists.isc.org" target="_blank">dhcp-users@lists.isc.org</a>><br>
<b>Sent: </b>Saturday, August 25, 2018 2:02:49 AM<br>
<b>Subject: </b>Re: Option 82 Issues<br>
<br>
Hi,<br>
<br>
On Fri, 24 Aug 2018, Mike Hammett wrote:<br>
<snipped/><br>
> # Genoa<br>
> subnet 172.19.50.0 netmask 255.255.255.0 {<br>
> authoritative;<br>
> deny unknown-clients;<br>
> }<br>
><br>
><br>
> include "/etc/dhcp/dhcpd.d/Genoa.mgmt";<br>
> # DSLAMs<br>
> subnet 192.168.120.0 netmask 255.255.255.0 {<br>
> }<br>
> #Genoa.mgmt<br>
> host Genoa_01_01_01 {<br>
> host-identifier option agent.circuit-id "Genoa_01_01 atm 1/DSL1:0.36";<br>
> fixed-address 172.19.50.1;<br>
> }<br>
> host Genoa_01_01_02 {<br>
> host-identifier option agent.circuit-id "Genoa_01_01 atm 1/DSL2:0.36";<br>
> fixed-address 172.19.50.2;<br>
> }<br>
> host Genoa_01_01_03 {<br>
> host-identifier option agent.circuit-id "Genoa_01_01 atm 1/DSL3:0.36";<br>
> fixed-address 172.19.50.3;<br>
> }<br>
<snippped/><br>
> I added the DSLAMs subnet to stop this, " DHCPDISCOVER from d8:b6:b7:ea:8d:44 via 192.168.120.168: unknown network segment", but instead I got this, " DHCPDISCOVER from d8:b6:b7:ea:8d:44 via 192.168.120.168: network 192.168.120.0/24: no free leases". It isn't
 supposed to be getting an address in the 192.168 range, but in the 172.19 range. That's why I specified the host file.<br>
<br>
your issue is that your request is coming from the 192.168.120.0/24 range which does not match the 172.19.50.0/24 range your have cofigured for your hosts.<br>
<br>
You have two options depending on your network topology:<br>
<br>
1. configure the relay to send from the 172.19.50.0/24 range.<br>
<br>
2. put bot 192.168.120.0/24 and 172.19.50.0/24 subnets into a shared network.<br>
<br>
<br>
Greetings<br>
Christian<br>
<br>
<br>
<br>
-- <br>
Christian Kratzer                   CK Software GmbH<br>
Email:   <a href="mailto:ck@cksoft.de" target="_blank">ck@cksoft.de</a>               Wildberger Weg 24/2<br>
Phone:   +49 7032 893 997 - 0       D-71126 Gaeufelden<br>
Fax:     +49 7032 893 997 - 9       HRB 245288, Amtsgericht Stuttgart<br>
Mobile:  +49 171 1947 843           Geschaeftsfuehrer: Christian Kratzer<br>
Web:     <a href="http://www.cksoft.de/" target="_blank">http://www.cksoft.de/</a><br>
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