https://devzone.nordicsemi.com/f/nordic-q-a/54695/weird-behavior-detected-on-mesh-message-meta-informationWe are using Mesh SDK 3.2.0 and nRF52840 DK. We wanted to use p_meta-&gt;p_core_metadata-&gt;params.scanner.adv_addr.addr as a unique identifier of the node hardware inside the mesh, this is, I suppose, the mac address of the radio. Normally, this worksen-USTelligent Community 13Mon, 25 Nov 2019 10:40:14 GMThttps://devzone.nordicsemi.com/thread/221813?ContentTypeID=1Mon, 25 Nov 2019 10:40:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d12f7dd9-eb73-4cb3-a179-68a9d2d36e32rmarques<p>Thank you! We will have to implement this ourselves then.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/221433?ContentTypeID=1Thu, 21 Nov 2019 21:00:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:323e0378-4141-49c3-98ff-cf5453c172e5Kenneth<p>Yes, the advertiser address is part of the advertisement packet, and will be unique for each advertiser (in this case node).</p> <p>Best regards,<br />Kenneth</p><div style="clear:both;"></div>