Re: ping not working

2020-08-16 Thread folkert
Sorry; my problem. I had not seen that the ip-header checksum was incorrect. On Sun, Aug 16, 2020 at 10:10:13AM +0200, folkert wrote: > This might be slightly off-topic altough it involves Linux, tap-device > and ping. Folkert van Heusden -- Curious about the inner workings of your car? Then ch

ping not working

2020-08-16 Thread folkert
Hi, This might be slightly off-topic altough it involves Linux, tap-device and ping. For fun I'm implementing an IP-stack. To do so I open a tap-device and use read/write to obtain/send packets. I configured the interface with IFF_NO_PI to not to get flags/protocol header. At this point it can a