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    <p>Hi,</p>
    <p>I don't fully agree that option 150 can be anything. It is a
      standard DHCP option defined in
      <a class="moz-txt-link-freetext" href="https://www.rfc-editor.org/rfc/rfc5859.html">https://www.rfc-editor.org/rfc/rfc5859.html</a> and, as Veronique
      said, it's also recognized by ISC DHCP
(<a class="moz-txt-link-freetext" href="https://kb.isc.org/v1/docs/isc-dhcp-44-manual-pages-dhcp-options#standard-dhcpv4-options">https://kb.isc.org/v1/docs/isc-dhcp-44-manual-pages-dhcp-options#standard-dhcpv4-options</a>).
      That's why we would expect it to be recognized by Kea as well
      without the need to define it ourselves (as we do now).</p>
    <p>Cheers,</p>
    <p>Maria<br>
    </p>
    <div class="moz-cite-prefix">On 11.01.22 10:29, Gordon Ross wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:LO4P265MB4312F29F74F4196C3A11AE76A9519@LO4P265MB4312.GBRP265.PROD.OUTLOOK.COM">
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        <p class="MsoNormal"><span
            style="font-size:11.0pt;mso-fareast-language:EN-US">Option
            150 can be anything so you have to define it yourself.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-family:"Courier
            New"">//Define some custom options<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:"Courier
            New"">    "option-def": [<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:"Courier
            New""><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-family:"Courier
            New"">    //Option for Cisco IP Phones to find CUCM.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:"Courier
            New"">    {    <o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:"Courier
            New"">        "name": "cisco-cucm-servers",<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:"Courier
            New"">        "code": 150,<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:"Courier
            New"">        "type": "ipv4-address",<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:"Courier
            New"">        "array": true<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:"Courier
            New"">    }<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;mso-fareast-language:EN-US">]<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
        <div style="border:none;border-top:solid #B5C4DF
          1.0pt;padding:3.0pt 0cm 0cm 0cm">
          <p class="MsoNormal" style="margin-bottom:12.0pt"><b><span
                style="font-size:12.0pt;color:black">From:
              </span></b><span style="font-size:12.0pt;color:black">Kea-users
              <a class="moz-txt-link-rfc2396E" href="mailto:kea-users-bounces@lists.isc.org"><kea-users-bounces@lists.isc.org></a> on behalf of
              Veronique Lefebure <a class="moz-txt-link-rfc2396E" href="mailto:veronique.lefebure@cern.ch"><veronique.lefebure@cern.ch></a><br>
              <b>Date: </b>Tuesday, 11 January 2022 at 09:25<br>
              <b>To: </b><a class="moz-txt-link-abbreviated" href="mailto:Kea-users@lists.isc.org">Kea-users@lists.isc.org</a>
              <a class="moz-txt-link-rfc2396E" href="mailto:Kea-users@lists.isc.org"><Kea-users@lists.isc.org></a><br>
              <b>Subject: </b>[Kea-users] KEA support for option 150
              (tftp-server-ip)<o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt">Hello, <o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt">In ISC
              DHCP v4.4.2 we have (<a
href="https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdownloads.isc.org%2Fisc%2Fdhcp%2F4.4.2%2Fdhcp-4.4.2-RELNOTES&data=04%7C01%7Cgr306%40universityofcambridgecloud.onmicrosoft.com%7C3bf0cfae0b6e4bed9d9008d9d4e3efb1%7C49a50445bdfa4b79ade3547b4f3986e9%7C0%7C0%7C637774899185495933%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=vlNzPfz5%2B0C0vFxsPpCtcNTWNv9SMiiEoEPUqD0KmKM%3D&reserved=0"
                moz-do-not-send="true">https://downloads.isc.org/isc/dhcp/4.4.2/dhcp-4.4.2-RELNOTES</a>)
              :  <o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt">Support
              for sending and receiving additional DHCP4 options has
              been added to both the dhcpd and dhclient. Specifically:
              option codes 93,94, and 97 (RFC 4578); code 150 (RFC
              5859); and codes 209,219, and 211 (RFC 5071). Beyond
              configuring, sending, requesting, and receiving these
              options neither server nor client apply any additional
              logic based on their values. Thanks to Peter Lewis for
              requesting this change. [ISC-Bugs 47062]
              <o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt">In KEA, it
              seems that option 150 is not support.
              <o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt">We get
              this error:  <o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt"> [Validation]
              Error encountered: definition for the option
              'dhcp4.tftp-server-ip' having code '0' does not exist 
              <o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt">Is there a
              solution or do we have to define that option ourselves?
              <o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt">Thanks, <o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt">Veronique
              <o:p></o:p></span></p>
        </div>
      </div>
      <br>
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