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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi Marcin Jurczuk<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 lang="EN-US" style="mso-fareast-language:EN-US">Generally if you like to use database as a configuration backend, then you must configure a database (mysql or postgres) in the configuration file and make the connection work (deploy
DB schemas etc) <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Kea-arm is your source to this<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Subnets are either configured in the configuration file OR in the database backend – both scenarios does not work well together.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">To use the database backend for subnet configuration you must disable the subnet libdhcp_subnet_cmds hooks library and use the libdhcp_cb_cmds instead. Not both.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">When using the api for creating subnets you should look in the documentation at
<a href="https://kea.readthedocs.io/en/latest/arm/hooks.html#libdhcp-cb-cmds-so-configuration-backend-commands">
https://kea.readthedocs.io/en/latest/arm/hooks.html#libdhcp-cb-cmds-so-configuration-backend-commands</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">The api commands used for this all starts with ‘remote-‘ e.g. ‘remote-subnet4-set’
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">I hope this will help you getting forward.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Kristen
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><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">Fra:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Kea-users <kea-users-bounces@lists.isc.org>
<b>På vegne af </b>Marcin Jurczuk<br>
<b>Sendt:</b> 19. november 2025 00:44<br>
<b>Til:</b> kea-users@lists.isc.org<br>
<b>Emne:</b> [Kea-users] libdhcp_subnet_cmds and database insert<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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Få mere at vide om, hvorfor dette er vigtigt</a> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif">Hi,</span><span style="font-family:"Tahoma",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif">I read basically all documentation about libdhcp_subnet_cmds hook and I still can't figure out how to force system to puth subnet config to database.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif">hosts_cmds have this option called "operation-target" that allows you to define where config should be stored. It is not mentioned in subnet hook.</span><span style="font-family:"Tahoma",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Tahoma",sans-serif">I'm able to insert network to config file(after API call to write cfg) but not to db.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Tahoma",sans-serif">What is </span><span style="font-family:"Arial",sans-serif">operation-target equivalent or how force kea do save subnet to database.</span><span style="font-family:"Tahoma",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Tahoma",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Tahoma",sans-serif">Thanks in advance.<o:p></o:p></span></p>
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