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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">It was a timezone issue. Both ends now on the same Timezone and Kea is now re-issuing addresses.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Thank you.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Gordon.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Razvan Becheriu <razvan@isc.org><br>
<b>Date: </b>Wednesday, 7 July 2021 at 19:37<br>
<b>To: </b>Jeronimo <jscmenezes@gmail.com><br>
<b>Cc: </b>Gordon Ross <gr306@cam.ac.uk>, Kea-users@lists.isc.org <Kea-users@lists.isc.org><br>
<b>Subject: </b>Re: [Kea-users] Unable to re-allocate address<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">Hi,<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">Can you check that your system/kea and the database back-end use the same timezone?<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">The timezones should match and should be set to UTC.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">Thank you,<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">Razvan<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">From:
</span></b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">"Jeronimo" <jscmenezes@gmail.com><br>
<b>To: </b>"Gordon Ross" <gr306@cam.ac.uk><br>
<b>Cc: </b>Kea-users@lists.isc.org<br>
<b>Sent: </b>Wednesday, July 7, 2021 8:11:49 PM<br>
<b>Subject: </b>Re: [Kea-users] Unable to re-allocate address<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">Follow my configuration:<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">kea-dhcp4.conf:<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Courier New";color:black">{<br>
"Dhcp4": {<br>
"authoritative": false,<br>
"boot-file-name": "",<br>
"calculate-tee-times": false,<br>
"control-socket": {<br>
"socket-name": "/tmp/kea4-ctrl-socket",<br>
"socket-type": "unix"<br>
},<br>
"ddns-generated-prefix": "myhost",<br>
"ddns-override-client-update": false,<br>
"ddns-override-no-update": false,<br>
"ddns-qualifying-suffix": "",<br>
"ddns-replace-client-name": "never",<br>
"ddns-send-updates": true,<br>
"decline-probation-period": 86400,<br>
"dhcp-ddns": {<br>
"enable-updates": false,<br>
"max-queue-size": 1024,<br>
"ncr-format": "JSON",<br>
"ncr-protocol": "UDP",<br>
"sender-ip": "0.0.0.0",<br>
"sender-port": 0,<br>
"server-ip": "127.0.0.1",<br>
"server-port": 53001<br>
},<br>
"dhcp-queue-control": {<br>
"capacity": 64,<br>
"enable-queue": false,<br>
"queue-type": "kea-ring4"<br>
},<br>
"dhcp4o6-port": 0,<br>
"echo-client-id": true,<br>
"expired-leases-processing": {<br>
"flush-reclaimed-timer-wait-time": 25,<br>
"hold-reclaimed-time": 3600,<br>
"max-reclaim-leases": 100,<br>
"max-reclaim-time": 250,<br>
"reclaim-timer-wait-time": 10,<br>
"unwarned-reclaim-cycles": 5<br>
},<br>
"hooks-libraries": [ ],<br>
"host-reservation-identifiers": [ "hw-address", "duid", "circuit-id", "client-id" ],<br>
"hostname-char-replacement": "",<br>
"hostname-char-set": "[^A-Za-z0-9.-]",<br>
"interfaces-config": {<br>
"interfaces": [ "ens3" ],<br>
"re-detect": true<br>
},<br>
"lease-database": {<br>
"host": "dbhost.localdomin",<br>
"name": "dbname",<br>
"password": "secret",<br>
"port": 5432,<br>
"type": "postgresql",<br>
"user": "dbuser"<br>
},<br>
"loggers": [<br>
{<br>
"debuglevel": 99,<br>
"name": "kea-dhcp4",<br>
"output_options": [<br>
{<br>
"output": "/usr/local/var/log/kea-dhcp4.log"<br>
}<br>
],<br>
"severity": "INFO"<br>
}<br>
],<br>
"match-client-id": true,<br>
"multi-threading": {<br>
"enable-multi-threading": false,<br>
"packet-queue-size": 64,<br>
"thread-pool-size": 0<br>
},<br>
"next-server": "0.0.0.0",<br>
"option-data": [ ],<br>
"option-def": [ ],<br>
"rebind-timer": 2000,<br>
"renew-timer": 1000,<br>
"reservation-mode": "all",<br>
"sanity-checks": {<br>
"lease-checks": "warn"<br>
},<br>
"server-hostname": "",<br>
"server-tag": "",<br>
"shared-networks": [ ],<br>
"statistic-default-sample-age": 0,<br>
"statistic-default-sample-count": 20,<br>
"store-extended-info": false,<br>
"subnet4": [<br>
{<br>
"4o6-interface": "",<br>
"4o6-interface-id": "",<br>
"4o6-subnet": "",<br>
"calculate-tee-times": false,<br>
"id": 1,<br>
"option-data": [ ],<br>
"pools": [<br>
{<br>
"option-data": [ ],<br>
"pool": "192.168.0.10-192.168.0.13"<br>
}<br>
],<br>
"rebind-timer": 2000,<br>
"relay": {<br>
"ip-addresses": [ ]<br>
},<br>
"renew-timer": 1000,<br>
"reservations": [<br>
{<br>
"boot-file-name": "",<br>
"client-classes": [ ],<br>
"hostname": "",<br>
"hw-address": "00:50:01:00:01:00",<br>
"ip-address": "192.168.0.12",<br>
"next-server": "0.0.0.0",<br>
"option-data": [ ],<br>
"server-hostname": ""<br>
}<br>
],<br>
"store-extended-info": false,<br>
"subnet": "<a href="https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2F192.168.0.0%2F24&data=04%7C01%7Cgr306%40cam.ac.uk%7C2e515da586864944212708d94176250c%7C49a50445bdfa4b79ade3547b4f3986e9%7C0%7C0%7C637612798525525818%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=dRgA8%2FrB48B8Bz1ONigbFg7onZYutYv3tEDkrEyhK3o%3D&reserved=0" target="_blank">192.168.0.0/24</a>",<br>
"t1-percent": 0.5,<br>
"t2-percent": 0.875,<br>
"valid-lifetime": 4000<br>
}<br>
],<br>
"t1-percent": 0.5,<br>
"t2-percent": 0.875,<br>
"valid-lifetime": 4000<br>
}<br>
}</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">Regards,<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">Jerônimo<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">Em qua., 7 de jul. de 2021 às 03:42, Gordon Ross <<a href="mailto:gr306@cam.ac.uk" target="_blank">gr306@cam.ac.uk</a>> escreveu:<o:p></o:p></span></p>
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<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm">
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">My configuration is very simple. There are no hooks, no HA, no multi-threading, no fancy commands.<br>
<br>
Postgres version is 12.7<br>
<br>
Gordon.<br>
<br>
</span><span style="font-size:12.0pt;color:black"></span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">On 06/07/2021, 19:27, "Marcin Siodelski" <<a href="mailto:marcin@isc.org" target="_blank">marcin@isc.org</a>> wrote:<br>
<br>
Gordon,<br>
<br>
Thanks for posting your issue to the Kea users list. I will try to<br>
replicate your issue tomorrow with the Postgres lease database backend.<br>
<br>
It will be super useful if you send me your Kea configuration file. You<br>
can sanitize it from any private stuff it may contain. Please send it to<br>
me privately if it can't be posted to the mail list.<br>
<br>
If it is not possible, please describe the major parts of the<br>
configuration, e.g. is multi threading on or off, are you using any<br>
hooks libraries (e.g. lease cmds?), are you sending any commands to Kea<br>
that can possibly modify the lease information?<br>
<br>
Finally, please provide your Postgres database version.<br>
<br>
Kind Regards,<br>
<br>
Marcin Siodelski<br>
DHCP Software Engineer,<br>
ISC<br>
<br>
<br>
On 06.07.2021 18:28, Gordon Ross wrote:<br>
> On the off chance, I tried an upgrade to Kea 1.9.9 and the problem persists.<br>
> <br>
> Gordon.<br>
> <br>
> On 05/07/2021, 16:16, "Kea-users on behalf of Gordon Ross" <<a href="mailto:kea-users-bounces@lists.isc.org" target="_blank">kea-users-bounces@lists.isc.org</a> on behalf of
<a href="mailto:gr306@cam.ac.uk" target="_blank">gr306@cam.ac.uk</a>> wrote:<br>
><br>
> I'm running Kea 1.8.2 using the Postgres lease database backend on Ubuntu 20.04 LTS<br>
> <br>
> Devices can get a new IPv4 address fine. But when they try to renew their address, it fails and the logs show:<br>
> <br>
> ALLOC_ENGINE_V4_ALLOC_ERROR [hwtype=1 00:21:55:02:67:14], cid=[01:00:21:55:02:67:14], tid=0x58cd: error during attempt to allocate an IPv4 address: unable to update lease for address 172.18.5.4 as it does not exist<br>
> <br>
> If I delete the entry from the leases table, Kea then happily re-issues the address. (I can perform the DELETE as the Kea DB user so no permissions problems there)<br>
> <br>
> I saw an earlier post about an error in Kea 1.8 & HA, but I'm not running HA at the moment - and I'm on a later version of Kea.<br>
> <br>
> Is this bug still outstanding in 1.8.2?<br>
> <br>
> Thank you,<br>
> <br>
> Gordon<br>
> -- <br>
> Gordon Ross <br>
> University of Cambridge<br>
> <br>
> _______________________________________________<br>
> ISC funds the development of this software with paid support subscriptions. Contact us at
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_______________________________________________<br>
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