Hi Joop,
Could you try this "hostname-expr" in your ddns-tuning parameters:
"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))"
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
/Peter
On 06/01/2026 14.42, Peter Davies wrote:
"hostname-expr" : "concat('vm-test-',addrtotext(option[50].hex))"
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Peter Davies
Support Engineer
Internet Systems Corporation
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