[riot-notifications] [RIOT-OS/RIOT] TCP lwIP Error Connecting Sock Problem (#11910)

Gunar Schorcht notifications at github.com
Wed Jul 24 18:36:42 CEST 2019


@miri64
> I took the freedom to edit OP for better readability

Thanks, @mmaxus35 has still problems with the markup language :wink:

Yes, the current ESP8266 port has problems with the `lwIP` package. That's why all ESP8266 boards are blacklisted. BTW, with the complete reimplementation of the ESP8266 port in PR #11108 which is waiting for review, it will not be a problem any longer.

But, there shouldn't be any problem with ESP32 and `lwIP`. The problem seems not to be related to the ESP32 board. According to @mmaxus35, the board has WiFi connectivity. He can ping the board and the UDP lwIP socket example works.

@mmaxus35 Are you sure that your TCP server is running on `fe80::4c2c:2f99:9ae8:73cb` and is listening at port `12345`? Can you see an according entry when you use command
```
netstat -tulpen
```
on this machine?

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