Hello, I am using two Beaglebone Black with Linux kernel version 3.8.13 and Xenomai version 2.6.3. I have built the Kernel with Xenomai and RTnet with buildroot. At the moment I am trying to use the provided source-files "rtt-sender" and "rtt-responder" for sending some "Round-Trip Time Request". I have changed my destination IP in "rtt-responder" to my destination BBB. I did not do any other changes. Then I did run "rtt-responder" on BBB2 and "rtt-sender" on BBB1 but I always get the following error: [image: image.png] Can anyone tell me why I do get that error? In order to this I need to say that both BBB's get a random MAC-Adress after each boot. That means I need to tell each BBB which MAC adress belongs to which IP-Adress. For example BBB1 has IP 192.168.127.10 with MAC AA:AA:AA:AA:AA and BBB2 has IP 192.168.127.11 with MAC BB:BB:BB:BB:BB I need to execute the following commands:
For BBB1: rtroute add 192.168.127.11 BB:BB:BB:BB:BB dev rteth0 For BBB2: rtroute add 192.168.127.10 AA:AA:AA:AA:AA dev rteth0 Now it is possible to send rtpings with the command: rtping 192.168.127.10 or rtping 192.168.127.11. Depens on which BBB you want to send the ping. So my idea was it is only possible to run the "rtt-sender" and "rtt-responder" file when my BBB's know which MAC belongs to which IP. But there is still the error, that the Network is unreachable. Why? You can find the source-files enclosed. Kind Regards -------------- next part -------------- A non-text attachment was scrubbed... Name: image.png Type: image/png Size: 13271 bytes Desc: not available URL: <http://xenomai.org/pipermail/xenomai/attachments/20190605/8613c6ca/attachment.png> -------------- next part -------------- A non-text attachment was scrubbed... Name: rtt-sender.c Type: application/octet-stream Size: 9879 bytes Desc: not available URL: <http://xenomai.org/pipermail/xenomai/attachments/20190605/8613c6ca/attachment.obj> -------------- next part -------------- A non-text attachment was scrubbed... Name: rtt-responder.c Type: application/octet-stream Size: 5705 bytes Desc: not available URL: <http://xenomai.org/pipermail/xenomai/attachments/20190605/8613c6ca/attachment-0001.obj>
