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Hi,

i have also posted my question on stack overflow and my questions might also be better placed here then on stack overflow... https://stackoverflow.com/questions/77855510/nodejs-net-module-tcp-socket-cant-send-data-to-hardware

I use nodejs net module to create a tcp socket connection for mimic data transfer from and to the hardware (kemper amp).

File node_capture is the file when trying to send data when the first packet from the hardware was sent: File wireshark_sample1 is the captured traffic from android (with pcapdroid).I don't have a capture from the hardware side(would need a switch i think, connected with a dlink router to my local wlan)...

Unfortunatly i can't upload the pcap files here too...

Do you have any idea why this does not work / getting tcp retransmission errors ?

Thank you!

Hi,

i have also posted my question on stack overflow and my questions might also be better placed here then on stack overflow... https://stackoverflow.com/questions/77855510/nodejs-net-module-tcp-socket-cant-send-data-to-hardware

I use nodejs net module to create a tcp socket connection for mimic data transfer from and to the hardware (kemper amp).

File node_capture is the file when trying to send data when the first packet from the hardware was sent: https://github.com/schoko11/wireshark/blob/main/node_capture.pcapng

File wireshark_sample1 is the captured traffic from android (with pcapdroid).I don't have a capture from the hardware side(would need a switch i think, connected with a dlink router to my local wlan)...

Unfortunatly i can't upload the pcap files here too...wlan)... https://github.com/schoko11/wireshark/blob/main/wireshark_sample1.pcap

Do you have any idea why this does not work / getting tcp retransmission errors ?

Thank you!

Hi,

i have also posted my question on stack overflow and my questions might also be better placed here then on stack overflow... https://stackoverflow.com/questions/77855510/nodejs-net-module-tcp-socket-cant-send-data-to-hardware

I use nodejs net module to create a tcp socket connection for mimic data transfer from and to the hardware (kemper amp).

File node_capture is the file when trying to send data when the first packet from the hardware was sent: https://github.com/schoko11/wireshark/blob/main/node_capture.pcapng

File wireshark_sample1 is the captured traffic from android (with pcapdroid).I don't have a capture from the hardware side(would need a switch i think, connected with a dlink router to my local wlan)... https://github.com/schoko11/wireshark/blob/main/wireshark_sample1.pcap

Both files contains just the first small part of the whole communiction, because there is also a serial number etc. in the files i don't want to post ( it should not be necessary IMHO )

Do you have any idea why this does not work / getting tcp retransmission errors ?

Thank you!