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<div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">2 client (Windows and iOS) in "INIT-REBOOT" state sends a DHCP Request to KEA through a relay.</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Requested address (option 50) is its old address. This subnet isn't configured in KEA server.</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Kea don't know of this client.</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><b>+ Observed behavior:</b></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"> iOS:</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">2018-07-01 15:26:34.892 DEBUG [kea-dhcp4.bad-packets/1553] DHCP4_PACKET_NAK_0002 [hwtype=1 6c:4d:73:f3:d4:19], cid=[01:6c:4d:73:f3:d4:19], tid=0xb858b700: invalid address 10.122.23.24 requested by INIT-REBOOT</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Windows:</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">2018-07-01 15:28:00.290 DEBUG [kea-dhcp4.bad-packets/1553] DHCP4_NO_LEASE_INIT_REBOOT [hwtype=1 f0:42:1c:e5:f3:5d], cid=[01:f0:42:1c:e5:f3:5d], tid=0x954bf4ee: no lease for address 10.122.13.204 requested by INIT-REBOOT client</div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><span style="font-size:small;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Window </span> client must use the command " ipconfig /release and ipconfig /renew " to obtain new ip address.<br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><b>+ Expected behavior:</b></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">Kea returns a NAK to Windows like iOS. </div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br>After that I set up other DHCP Server from Microsoft. It properly returns DHCP NAK to 2 clients.<br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:12.8px;text-decoration-style:initial;text-decoration-color:initial">I also attached the capture from kea server. help me this case,plz</div>

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