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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I’m running ISC 4.4.1 (migrated from 4.3.1) and I noticed that the dhcpd.lease file has records from 2014 until now, is this normal? For the dhcpd.lease file
to keep records that old? The file size is about 2.2Mb right now.<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"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Alex P<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"><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>Philippe Maechler<br>
<b>Sent:</b> Thursday, October 11, 2018 11:16 PM<br>
<b>To:</b> Users of ISC DHCP <dhcp-users@lists.isc.org><br>
<b>Subject:</b> isc-dhcp3.6.p1 restart problems<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal"><a name="_GoBack"></a><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Hello dhcp-users</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sorry if this posts is redundant. I first sent it using the wrong mailaddress</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">Today we faces a strange issue. Our dhcp server was working fine when we checked the log files but the server did not hand
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">out any ip addresses. After consulting the logs we found several “issues”</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">background:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">We have two servers in an active – cold standby scenario. Both servers have the same config and the same lease time
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">(copied with rsync after a server restart). Only one server is active, the other server is ready that we can put them into production
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">if the server 1 fails.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">Our provisioning system creates a config snippet with classes and host statements. At the end of the file we write down the
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">number of lines in this include file.
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">The server checks every 5 min if we have a new file. If so we put all the different snippets into one file (after checking that we
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">still have the same number of lines) and makes a diff of the running and the new dhcpd.conf. If we have differences, we restart the dhcpd.
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">In the configuration we have a global on commit statement, that checks the ip range the request is coming from.
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">If it is from
<a href="http://10.21.0.0/16">10.21.0.0/16</a> or <a href="http://10.23.0.0/16">10.23.0.0/16</a> we execute a php-script which generates a config file, that then can be downloaded via tftp.
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">Otherwise we don’t execute anything.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">dhcpd.logs</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""># everything was working fine</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 11:57:37 FTTH-DHCP-01 dhcpd: on commit statement for 026004 10.21.15.152 0:1e:80:1c:b7:1e</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 11:57:37 FTTH-DHCP-01 dhcpd: execute_statement argv[0] = /usr/local/bin/php</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 11:57:37 FTTH-DHCP-01 dhcpd: execute_statement argv[1] = /etc/scripts/provisioning/createCfgFile.php</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 11:57:37 FTTH-DHCP-01 dhcpd: execute_statement argv[2] = -c026004</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 11:57:37 FTTH-DHCP-01 dhcpd: execute_statement argv[3] = -i10.21.15.152</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""># planed service restart</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 11:58:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 11:58:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 11:58:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 11:58:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:03:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:03:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:03:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:03:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:08:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:08:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:08:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:08:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:13:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:13:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:13:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:13:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:18:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:18:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:18:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:18:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:23:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:23:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:23:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:23:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:28:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:28:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:28:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:28:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:33:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:33:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:33:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:33:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:38:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:38:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:38:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:38:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:43:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:43:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:43:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:43:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:48:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:48:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:48:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:48:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:53:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:53:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:53:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:53:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:58:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:58:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:58:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 12:58:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:03:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:03:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:03:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:03:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:08:04 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:08:04 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:08:04 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:08:04 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:14 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:14 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:14 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:14 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""># here we realised that the issue is the dhcp server and restarted the daemon by hand.</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:19 FTTH-DHCP-01 dhcpd: Internet Systems Consortium DHCP Server 4.3.6-P1</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:19 FTTH-DHCP-01 dhcpd: Copyright 2004-2018 Internet Systems Consortium.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:19 FTTH-DHCP-01 dhcpd: All rights reserved.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:19 FTTH-DHCP-01 dhcpd: For info, please visit
<a href="https://www.isc.org/software/dhcp/">https://www.isc.org/software/dhcp/</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Wrote 0 class decls to leases file.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Wrote 0 deleted host decls to leases file.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Wrote 0 new dynamic host decls to leases file.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Wrote 8909 leases to leases file.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Listening on BPF/bce3/98:4b:e1:75:f1:3e/<a href="http://10.255.254.32/29">10.255.254.32/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Sending on BPF/bce3/98:4b:e1:75:f1:3e/<a href="http://10.255.254.32/29">10.255.254.32/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Listening on BPF/bce2/98:4b:e1:75:f1:3c/<a href="http://10.255.254.24/29">10.255.254.24/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Sending on BPF/bce2/98:4b:e1:75:f1:3c/<a href="http://10.255.254.24/29">10.255.254.24/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Listening on BPF/bce1/98:4b:e1:75:f1:56/<a href="http://10.255.254.16/29">10.255.254.16/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Sending on BPF/bce1/98:4b:e1:75:f1:56/<a href="http://10.255.254.16/29">10.255.254.16/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Listening on BPF/bce0/98:4b:e1:75:f1:54/<a href="http://10.20.0.0/24">10.20.0.0/24</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Sending on BPF/bce0/98:4b:e1:75:f1:54/<a href="http://10.20.0.0/24">10.20.0.0/24</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Sending on Socket/fallback/fallback-net</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Server starting service.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""># now everything seems to be normal again</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: CC DHCPDISCOVER from 1:0:1e:80:1d:12:85 for 185.82.206.252 via
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: KM DHCPDISCOVER from 1:0:1e:80:1d:12:85 for 185.82.206.252 via gaswWAL002 eth 000016/012:0804</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: vendor-class-id: 'i6800' - 1:0:1e:80:1d:12:85 - 'i6800'
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: agent.circuit-id (0, 32): 'gaswWAL002 eth 000016/012:0804' from 1:0:1e:80:1d:12:85</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">Between 11:58 and 13:11 there was no dhcpd «running» alltough
</span><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">/usr/local/etc/rc.d/isc-dhcpd status
</span><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">was reporting the daemon is running</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">Normaly if we restart the server we have the following lines in the log</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Wrote 0 class decls to leases file.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Wrote 0 deleted host decls to leases file.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Wrote 0 new dynamic host decls to leases file.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Wrote 8909 leases to leases file.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Listening on BPF/bce3/98:4b:e1:75:f1:3e/<a href="http://10.255.254.32/29">10.255.254.32/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Sending on BPF/bce3/98:4b:e1:75:f1:3e/<a href="http://10.255.254.32/29">10.255.254.32/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Listening on BPF/bce2/98:4b:e1:75:f1:3c/<a href="http://10.255.254.24/29">10.255.254.24/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Sending on BPF/bce2/98:4b:e1:75:f1:3c/<a href="http://10.255.254.24/29">10.255.254.24/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Listening on BPF/bce1/98:4b:e1:75:f1:56/<a href="http://10.255.254.16/29">10.255.254.16/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Sending on BPF/bce1/98:4b:e1:75:f1:56/<a href="http://10.255.254.16/29">10.255.254.16/29</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Listening on BPF/bce0/98:4b:e1:75:f1:54/<a href="http://10.20.0.0/24">10.20.0.0/24</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Sending on BPF/bce0/98:4b:e1:75:f1:54/<a href="http://10.20.0.0/24">10.20.0.0/24</a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Sending on Socket/fallback/fallback-net</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Oct 11 13:11:21 FTTH-DHCP-01 dhcpd: Server starting service.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">During the “down-time” these log lines were not reported.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">That our management has some fancy graphs, we parse the dhcpd-pools output and put that data into an rrd.
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">(If the mailinglist drops the image attached: we have about 3k active and 277 free leases. Around 12:00 the server immediately reported 223 active but 2995 free
leases). The whole server has about 9k leases </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">On all our “bigger” ip pools we have a similar graph. At 12:00 the active leases dropped significantly and the free leases jumped up. So dhcpd pools also saw a problem
too…</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">This is the first time we have such an issue and we use the isc-dhcp since version 3.x. Currently we run 4.3.6-p1 on a FreeBSD 11.1 AMD64</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">Does anyone has an idea what happened? Or how we can “protect” us against this one?</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">My first idea is to grep for the “Listening on…” or “Server starting service.” Line in the logs and do the restart again if me miss the line. But since a normal
restart from cron didn’t help (12:03, 12:08, 12:13, …) I’m not sure. The only alternative I see (atm) is to send an sms or email if we miss the “starting service line”</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">Any help is appreciated</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">/BR</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial",sans-serif">Philippe</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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