https://devzone.nordicsemi.com/f/nordic-q-a/92158/ipv6-lookup-via-eui64I have an application consisting of a Thread Leader and a number of SED children. The communications scheme is set up to allow both children and the leader to have CoAP servers running, allowing bidirectional requests. EUI64&#39;s are used during commissioningen-USTelligent Community 13Wed, 21 Sep 2022 11:10:48 GMThttps://devzone.nordicsemi.com/thread/387268?ContentTypeID=1Wed, 21 Sep 2022 11:10:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5dacf270-0785-4383-850a-4063bf968416Charlie<p>Hi Tristen,</p> <p>Please see the suggestion from the thread team:&nbsp;<a href="https://groups.google.com/g/openthread-users/c/U9M_8fhCxdA/m/VxodMN-QBQAJ">Identification of joining devices (google.com)</a>.</p> <p>Their support channel has moved from google group to&nbsp;<a href="https://github.com/openthread/openthread/issues">Issues · openthread/openthread (github.com)</a>.</p> <p>It is worth to mention&nbsp;<a href="https://github.com/project-chip/connectedhomeip">Matter</a>&nbsp;on top of OpenThread might be a good example for your application-level implementation.</p> <p>Best regards,</p> <p>Charlie</p> <p><span></span></p><div style="clear:both;"></div>