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Hi Vicky,</div>
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What is the issue number ? Thanks, Veronique</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Kea-users <kea-users-bounces@lists.isc.org> on behalf of Victoria Risk <vicky@isc.org><br>
<b>Sent:</b> Friday, August 8, 2025 7:28 PM<br>
<b>To:</b> Giddings, Bret <bret@essex.ac.uk><br>
<b>Cc:</b> Kea user's list <kea-users@lists.isc.org><br>
<b>Subject:</b> Re: [Kea-users] Dhcp4 crash when using 3.0</font>
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<div style="line-break:after-white-space">Hi Bret,
<div><br>
</div>
<div>I have gone ahead and created the issue on your behalf. You should get an email back from Gitlab and using that, you should be able to update the issue if you have any more information. You should also receive any comments we put on the ticket as we investigate.</div>
<div><br>
</div>
<div>Thank you, and have a good weekend!</div>
<div><br>
</div>
<div>Vicky<br id="x_lineBreakAtBeginningOfMessage">
<div><br>
<blockquote type="cite">
<div>On Aug 7, 2025, at 5:57 PM, Giddings, Bret <bret@essex.ac.uk> wrote:</div>
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Hi again Victoria,</div>
<div dir="ltr" style="font-family:Aptos,Arial,Helvetica,sans-serif; font-size:12pt">
I rebuilt the server and did a clean install of just kea 3.0. I can still get the issue with my configuration.</div>
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I have also now registered at gitlab.isc.org but please forgive my ignorance as I can’t see how to create a new issue - I don’t proactively use gitlab much. If you can please advise, I’ll get that started.</div>
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Regards,</div>
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<br>
</div>
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Bret</div>
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<b>From: </b>Victoria Risk <vicky@isc.org><br>
<b>Date: </b>Thursday, 7 August 2025 at 19:00<br>
<b>To: </b>Kea user's list <kea-users@lists.isc.org><br>
<b>Cc: </b>Giddings, Bret <bret@essex.ac.uk><br>
<b>Subject: </b>Re: [Kea-users] Dhcp4 crash when using 3.0<br>
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safe. If you are not sure it is safe, please contact the IT Helpdesk.</span></p>
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<div class="x_ms-outlook-mobile-reference-message x_skipProofing">Hi Bret,</div>
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<div class="x_ms-outlook-mobile-reference-message x_skipProofing">This could be the same as another issue we are currently investigating. Can you open an issue in our public Gitlab for Kea? </div>
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<div class="x_ms-outlook-mobile-reference-message x_skipProofing">Go to our development repo at
<a href="https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fgitlab.isc.org%2fisc-projects%2fkea&c=E,1,M5eZ0_ltE-I8bDs8yYR3e_fAyvPMskyj9PZTT4z63-WFpWCG1jA9e_NBif9gMPsraCzo_bqg-9iRIgS9PKLMFTmCnMNmDVQA-eyW_XaexSy9zqdutA,,&typo=1" data-outlook-id="4bff1e5c-1540-4dab-8136-db7a9242256a">
https://gitlab.isc.org/isc-projects/kea</a> and click on issues, and create a new issue. Please mark it as confidential, since it is a crash. Then you will receive updates to the ticket as we investigate.</div>
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<div class="x_ms-outlook-mobile-reference-message x_skipProofing">Thank you!</div>
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<div class="x_ms-outlook-mobile-reference-message x_skipProofing">Vicky Risk</div>
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<blockquote>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing">On Aug 7, 2025, at 12:11 PM, Giddings, Bret via Kea-users <kea-users@lists.isc.org> wrote:</div>
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Hi,</div>
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<br>
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I’m trying to move our environment from 2.6 to 3.0 so have setup one subnet to be served by the new version. This appears to work w.r.t. issuing leases for the subnet in question. However, it also crashes (seemingly randomly) with</div>
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<br>
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kea-dhcp4: /usr/include/boost/smart_ptr/shared_ptr.hpp:728: typename boost::detail::sp_member_access<T>::type boost::shared_ptr<T>::operator->() const [with T = const isc::dhcp::Subnet4; typename boost::detail::sp_member_access<T>::type = const isc::dhcp::Subnet4*]:
Assertion `px != 0' failed.</div>
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<br>
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The environment is</div>
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<br>
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Debian 12.11</div>
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Using Cloudsmith images:</div>
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# dpkg -l | grep kea</div>
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ii isc-kea-common 3.0.0-isc20250717111736 amd64 Common libraries for the ISC Kea DHCP server</div>
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ii isc-kea-dhcp-ddns 3.0.0-isc20250717111736 amd64 ISC Kea DHCP Dynamic DNS service</div>
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ii isc-kea-dhcp4 3.0.0-isc20250717111736 amd64 ISC Kea IPv4 DHCP server</div>
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ii isc-kea-hooks 3.0.0-isc20250717111736 amd64 Hook libraries for ISC Kea DHCP server</div>
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<br>
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Is this a known issue and if not, what additional information is required to debug it.</div>
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<br>
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Relevant Kea config which is pretty much identical to 2.6 config with exception of control-sockets is</div>
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{</div>
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"Dhcp4": {</div>
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"interfaces-config": {</div>
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"interfaces": [</div>
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"eth0"</div>
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],</div>
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"dhcp-socket-type": "udp",</div>
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"service-sockets-require-all": true,</div>
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"service-sockets-max-retries": 100,</div>
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"service-sockets-retry-wait-time": 5000</div>
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},</div>
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"control-sockets": [</div>
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{</div>
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"socket-type": "http",</div>
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"socket-port": 8000</div>
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}</div>
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],</div>
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"multi-threading": {</div>
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"enable-multi-threading": true,</div>
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"thread-pool-size": 2,</div>
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"packet-queue-size": 64</div>
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},</div>
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"lease-database": {</div>
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"type": "memfile",</div>
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"lfc-interval": 1500</div>
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},</div>
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"valid-lifetime": 43200,</div>
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"expired-leases-processing": {</div>
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"reclaim-timer-wait-time": 3600,</div>
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"hold-reclaimed-time": 172800,</div>
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"max-reclaim-leases": 0,</div>
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"max-reclaim-time": 0</div>
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},</div>
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"hooks-libraries": [</div>
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{</div>
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"library": "/usr/lib/x86_64-linux-gnu/kea/hooks/<a href="https://linkprotect.cudasvc.com/url?a=https%3a%2f%2flibdhcp_lease_cmds.so&c=E,1,DMA10UQnTXbL6Fs-sClfMzEQny9ui2guEiwqqiok9m6t_q9wYmJpHVFyk2x9bOeN0UI-hutjsTGLUxvKwoiOQY5wQOEpubmqEuVGiZO2&typo=1&ancr_add=1" data-outlook-id="4466a691-fa30-44d6-b885-6be2b6ee3676">libdhcp_lease_cmds.so</a>"</div>
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},</div>
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{</div>
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"library": "/usr/lib/x86_64-linux-gnu/kea/hooks/<a href="https://linkprotect.cudasvc.com/url?a=https%3a%2f%2flibdhcp_flex_option.so&c=E,1,gWoQ6RFKxy-zgmLw2EVJih45T5PafjpFSZdXiEwmglENkKLE30z39PCYdxjdElmrEG0lVJysNazv1Z69bDBSApJniBHx-B5WHm8WMC64Xn6W&typo=1&ancr_add=1" data-outlook-id="07a8dc08-2457-4b27-bf52-91779bfc3a68">libdhcp_flex_option.so</a>",</div>
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"parameters": {</div>
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"options": [</div>
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{</div>
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"code": 61,</div>
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"remove": "member('dhcp-3') or pkt4.giaddr == 10.246.127.253"</div>
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}</div>
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]</div>
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}</div>
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}</div>
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],</div>
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"dhcp-ddns": {</div>
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// Connectivity parameters</div>
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"enable-updates": true,</div>
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"server-ip": "127.0.0.1",</div>
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"server-port": 53001,</div>
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"sender-ip": "",</div>
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"sender-port": 0,</div>
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"max-queue-size": 1024,</div>
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"ncr-protocol": "UDP",</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"ncr-format": "JSON"</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
},</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
// Behavioral parameters (global)</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"ddns-send-updates": true,</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"ddns-override-no-update": false,</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"ddns-override-client-update": true,</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"ddns-replace-client-name": "always",</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"ddns-generated-prefix": "host",</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"ddns-qualifying-suffix": “example.com",</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"ddns-update-on-renew": true,</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"hostname-char-set": "",</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"hostname-char-replacement": "",</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"reservations-global": true,</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"reservations-in-subnet": true,</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"authoritative": true,</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"ip-reservations-unique": false,</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"match-client-id": false,</div>
<div dir="ltr" class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
<br>
</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"client-classes": [</div>
<div dir="ltr" class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif">
<span style="font-size:10pt"> </span><span style="font-size:13px; background-color:rgb(255,255,255)">{"name": "dhcp-2”},</span></div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
{"name": "dhcp-42"}</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
],</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"reservations": [</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
{ "hostname": "foobar", "hw-address": "00:0a:9f:22:c7:b0", "client-classes": ["dhcp-2"] },</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
// 20000+ additional reservations of various client-class types not shown</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
],</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"subnet4": [</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
{</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"id": 503,</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"subnet": "10.245.34.128/26",</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"option-data": [</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
{ "name": "routers" , "data": "10.245.34.190" },</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
{ "name": "domain-name-servers" , "data": "10.245.94.204,10.245.48.89,10.245.252.201" },</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
{ "name": "domain-name" , "data": "example.com" },</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
{ "name": "netbios-name-servers", "data": "10.245.42.23,10.245.48.35" }</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
],</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"valid-lifetime": 28800,</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
"pools": [{"pool-id": 10503042, "client-class": "dhcp-42", "pool": "10.245.34.129 - 10.245.34.185"}],</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
]</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
}</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
] }</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing" style="font-family:"Courier New",Arial,Helvetica,sans-serif; font-size:10pt">
}</div>
<div class="x_ms-outlook-mobile-reference-message x_skipProofing">--<br>
ISC funds the development of this software with paid support subscriptions. Contact us at
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https://www.isc.org/contact/</a> for more information.<br>
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https://lists.isc.org/mailman/listinfo/kea-users</a>.<br>
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Kea-users mailing list<br>
Kea-users@lists.isc.org<br>
<a href="https://linkprotect.cudasvc.com/url?a=https%3a%2f%2flists.isc.org%2fmailman%2flistinfo%2fkea-users&c=E,1,f7Q8-5cNvEVN_kPemQaCKm5kovPSZxUH7Yem3K0gTWzdgWtoHAlGPrBq93LwD1BHFs4j3-hc0oE4zwXPGsKTQOp7_0SCzmJMCNzC7c2h78a6SGxUY690aQ,,&typo=1&ancr_add=1" data-outlook-id="fae5bb8e-82c9-4b9e-b7f2-c90e2d5ff5dd">https://lists.isc.org/mailman/listinfo/kea-users</a></div>
</blockquote>
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</div>
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</div>
</div>
</blockquote>
</div>
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</div>
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