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<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
Hi Chib,</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
Have you checked if the client is requesting the IP with the same ClientID as the one it was using when it first got the lease ?</div>
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Cheers,v.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size: 11pt; color: rgb(0, 0, 0);"><b>From:</b> Kea-users <kea-users-bounces@lists.isc.org> on behalf of Stephen Dennis (Gmail) <skeetabomb@gmail.com><br>
<b>Sent:</b> Monday, September 11, 2023 3:43 AM<br>
<b>To:</b> kea-users@lists.isc.org <kea-users@lists.isc.org><br>
<b>Subject:</b> [Kea-users] Possible bug with Kea DHCP Server?</font>
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<div dir="ltr">Hi,
<div><br>
</div>
<div>After a client received a lease, the client was rebooting.</div>
<div>It tried to ask for the same IP (Windows machine), but Kea refused with this error, despite the fact that Kea has a reservation for that client's MAC:</div>
<div>"2023-09-10 22:38:00.308 WARN [kea-dhcp4.alloc-engine/2752.140528795599552] ALLOC_ENGINE_V4_DISCOVER_ADDRESS_CONFLICT [hwtype=1 xx:xx:xx:xx:xx:xx], cid=[01:xx:xx:xx:xx:xx:xx], tid=0xb4da0bab: conflicting reservation for address 192.168.1.11 with existing
lease Address: 192.168.1.11"</div>
<div><br>
</div>
<div>1. Why would Kea not just answer the client with the same IP already assigned to that client?</div>
<div>2. Is there no mechanism in place to deal with the case where a client reboots and has to resend a DHCPREQUEST during an existing lease for that client?</div>
<div><br>
</div>
<div>This, to me, looks like a bug.</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Chib
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