PC can ping but COAP client can&#39;t ping PCA10040https://devzone.nordicsemi.com/f/nordic-q-a/23806/pc-can-ping-but-coap-client-can-t-ping-pca10040I can ping the nrf52 from pc but i can&#39;t ping it form COAP client (mozilla cooper). In wireshark i got an error that port is unreachable . What should i do ? Thank you in advance !en-USTelligent Community 13Tue, 06 Feb 2018 12:05:11 GMTRE: PC can ping but COAP client can't ping PCA10040https://devzone.nordicsemi.com/thread/119924?ContentTypeID=1Tue, 06 Feb 2018 12:05:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5dd35aba-bd02-47c9-b844-0d665cd9e80bStian R&#248;ed Hafskjold<p>Hi, you need to describe your setup. What examples are you running, router setup, 6lowpan setup, etc.</p><div style="clear:both;"></div>