[riot-devel] GNRC_NETWORKING

smlng s at mlng.net
Wed Sep 21 14:50:31 CEST 2016

Hi Ilias,

you removed the shell, and doing so you also removed the main loop. So basically your program hits return 0 and terminates - which likely happens very fast after reboot. With this the RIOT-Kernel, network stack and everything stops working, so no logic remains to answer any pings or so. 

I don't know what your goal is, but if you look at the microcoap example here [0] (line 44-47), you'll see it does the same: no shell and it has this _netif_config line, too. But instead of hitting return 0 it enters `microcoap_server_loop()` which keeps running forever.


[0]: https://github.com/RIOT-OS/RIOT/blob/master/examples/microcoap_server/main.c

> Am 21.09.2016 um 14:42 schrieb Ilias Seitanidis <iliasseitanidis at gmail.com>:
> Hi all,
> I am using the gnrc BR and I have another node running the gnrc_networking example. I did some modifications on the main.c of the gnrc_networking, I replaced  the lines 44-46 [1] with the line: _netif_config(0, NULL); . After that I execute some threads. My question is why I cannot ping the node running the gnrc_networking example with this modifications I did. Moreover, I can't see the node on the ncache of the BR. I was able to ping and see  the node in BR's ncache when I used the gnrc_networking example as it is. Any suggestions??? 
> Thank you in advance!
> [1] https://github.com/RIOT-OS/RIOT/blob/master/examples/gnrc_networking/main.c
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