PC can ping but COAP client can't ping PCA10040

[anto]

I can ping the nrf52 from pc but i can'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 !

[Stian Røed Hafskjold]

Hi, you need to describe your setup. What examples are you running, router setup, 6lowpan setup, etc.