<p></p>
<p><b>@akshaim</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/15995#discussion_r667995497">sys/net/gnrc/link_layer/lorawan/gnrc_lorawan_mcps.c</a>:</p>
<pre style='color:#555'>> @@ -154,6 +155,12 @@ void gnrc_lorawan_mcps_process_downlink(gnrc_lorawan_t *mac, uint8_t *psdu,
         return;
     }
 
+    /* Check if downlink was received after an uplink that had `ADRACKReq` bit set */
+    if (mac->mlme.adr_ack_cnt >= CONFIG_LORAMAC_DEFAULT_ADR_ACK_LIMIT) {
</pre>
<p>Done</p>

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