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<div
style="text-align: left; margin-top: 0.5em; margin-bottom: 0.5em;"><span>Hi
Joop,</span><br>
<span> Could you try this "hostname-expr" in your ddns-tuning
parameters:</span><br>
<span>"hostname-expr" : "'vm-test-' +
uint8totext(substring(option[50].hex,0,1)) + '-' +
uint8totext(substring(option[50].hex,1,1)) + '-' +
uint8totext(substring(option[50].hex,2,1)) + '-' +
uint8totext(substring(option[50].hex,3,1))"</span></div>
<div
style="text-align: left; margin-top: 0.5em; margin-bottom: 0.5em;"><span>You
need not define a flex-id or load the flex-id hooks library if
you do not use host reservations that depend on flex-ids's</span></div>
<div
style="text-align: left; margin-top: 0.5em; margin-bottom: 0.5em;"><span>/Peter</span></div>
<p><br>
</p>
<div class="moz-cite-prefix">On 06/01/2026 14.42, Peter Davies
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:5d86b996-d20c-4ad9-ac0c-3b7e0b0437d8@isc.org"> "hostname-expr"
: "concat('vm-test-',addrtotext(option[50].hex))" </blockquote>
<pre class="moz-signature" cols="72">--
Peter Davies
Support Engineer
Internet Systems Corporation
</pre>
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