https://devzone.nordicsemi.com/f/nordic-q-a/83994/ble-mesh-unacknowledged-messagesHi, I am using two nrf52840 boards and a Light-Switch example included in the mesh SDK_v5.0. The Client sends unacknowledged messages to the Server ( APP_UNACK_MSG_REPEAT_COUNT is set to 1 ). I have enabled logging via RTT for this example to seeen-USTelligent Community 13Thu, 27 Jan 2022 14:35:08 GMThttps://devzone.nordicsemi.com/thread/350007?ContentTypeID=1Thu, 27 Jan 2022 14:35:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:02282311-6227-4e32-82fc-8d04af4b9ee9Mttrinh<p>Hi,&nbsp;</p> <p>I think this is because of the&nbsp;retransmit_count is set to 3 which is found inside the publication parameters struct,&nbsp;<em>config_publication_params_t</em>.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/349827?ContentTypeID=1Wed, 26 Jan 2022 16:44:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f7d8fb76-d7fa-4267-b3e9-7c68317811dbMela<p>Hi!</p> <p>No, I haven`t made any other modifications.&nbsp;<span>CORE_TX_REPEAT_ORIGINATOR_DEFAULT&nbsp;is set to 1.</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/349813?ContentTypeID=1Wed, 26 Jan 2022 15:25:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:29b7cba4-7644-4bfa-855b-7414cd218ff4Mttrinh<p>Hi,</p> <p>Have you made any modifications to the examples? What is&nbsp;CORE_TX_REPEAT_ORIGINATOR_DEFAULT set to?</p><div style="clear:both;"></div>