That means the device may have sent a NAC to the offer it was given. That address may be in use already...
Hi Harmut,Can you take a wireshark capture on your DHCP server to determine where the DHCP Declines are coming from?Use the "bootp" filter in Wireshark to see only Bootp/DHCP related traffic. When you find a Decline, look for the Client MAC addresses to see if you can trace it to a device.Was this previously working?
Hartmut on the identiFi solution are you using B@AP services with arp proxy enabled?
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