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<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">Option 54 is set automatically by the server (to the IP address on which the packet was received, I think).<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">It cannot be an arbitrary value, it is used by clients in DHCPREQUEST messages. The server will ignore such messages with an option 54 that does not match its configuration (even if they are unicast
to him) because it indicates that the client is trying to communicate with another server.<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">What are you trying to do exactly ?<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"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Nicolas.<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"><b>De :</b> Kea-users [mailto:kea-users-bounces@lists.isc.org]
<b>De la part de</b> itay cohen<br>
<b>Envoyé :</b> vendredi 11 mai 2018 02:35<br>
<b>À :</b> kea-users@lists.isc.org<br>
<b>Objet :</b> [Kea-users] option 54<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">hi all<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">i'm using kea-1.2.0<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">i'm trying to set <o:p></o:p></p>
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<p class="MsoNormal"> "option-data": [<o:p></o:p></p>
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<p class="MsoNormal"> { "name": "routers", "data": "
<span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222;background:white">
10.0.0.1</span>" },<o:p></o:p></p>
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<p class="MsoNormal"> <span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222;background:white">
{ "name": "dhcp-server-identifier", "data": "10.0.0.1" }</span> <o:p></o:p></p>
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<p class="MsoNormal"> ],<o:p></o:p></p>
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<p class="MsoNormal">now, when kea is trying to send the packet back its being Dropped with this message,<o:p></o:p></p>
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<p class="MsoNormal">[kea-dhcp4.bad-packets/19941] DHCP4_PACKET_DROP_0007 [hwtype=1 a8:11:fc:98:fe:dd], cid=[ff:fc:98:fe:dd:00:03:00:01:a8:11:fc:98:fe:dd], tid=0x4a68f6e1: failed to process packet: Option 54 already present in this message.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">any thoughts ?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">thank you,<o:p></o:p></p>
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<p class="MsoNormal">Itay<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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