Comments (5)
Hello! Can you send me the code where you create the CoapReply
?
from qtcoap.
Since CoAP is a UDP based protocol, each message has to be verified from the server within 2 seconds (according to the standard). If the server does not respond to the request, the message will be resent up to 4 times (also defined in the standard). That is the meaning of the error The server did not respond after 4 retransmissions
. The client tried to send something 4 times and did not get any ACK from the server.
from qtcoap.
I've tested the coap://vs0.inf.ethz.ch/
, looks like the server does not work correctly at the moment. You can try coap://coap.me
.
If you need additional information about the traffic, build coap-cli
from my repository and try to start it with -v
:
coap-cli -d coap://coap.me -v
from qtcoap.
Can I close this issue since other CoAP clients do not work either on coap://vs0.inf.ethz.ch/
?
from qtcoap.
from qtcoap.
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