https://devzone.nordicsemi.com/f/nordic-q-a/8176/getting-restarted-when-enabling-whitelistHello everybody, I&#39;m using NRF Beacon (51822) board, sdk 6.1.0.0 and s110, problem is when I enable whitelist and add the Bluetooth address of my phone( 74:51:BA:F7:60:9F) ( to get connected to my phone only) in the whitelist table and configure otheren-USTelligent Community 13Wed, 15 Jul 2015 10:43:27 GMThttps://devzone.nordicsemi.com/thread/29382?ContentTypeID=1Wed, 15 Jul 2015 10:43:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7b99c812-cdcc-42ed-9b51-88f6ebfcfd82Hung Bui<p>@Raghu: Please let us know what is the error code you have when calling sd_ble_gap_adv_start(). Also please make sure the addr_type matched with the type of your central device address.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/29381?ContentTypeID=1Wed, 15 Jul 2015 05:51:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9302f3d9-ddd4-42a4-8d37-afc74b0ff855Ulrich Myhre<p>It&#39;s an identity-resolving key, exchanged during bonding. It is used with the Privacy feature (&gt;=v1.1) since the addresses are continuously changing when this is enabled.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/29380?ContentTypeID=1Wed, 15 Jul 2015 04:12:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:adc0ad0f-10d1-48bb-be8e-e55ebc433397Raghu GS<p>ok thanks for your reply, I&#39;ll try out memset whitelist_details to 0 and let know the progress soon, and wanted to know what is the role of IRK ?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/29383?ContentTypeID=1Tue, 14 Jul 2015 22:59:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:34931219-af0a-4860-afbd-4a0c67c7b8c5Ulrich Myhre<p>What happens if you memset <em>whitelist_details</em> to 0? It could contain garbage, setting something up with IRK.</p><div style="clear:both;"></div>