>> Thanks to Ivan's efforts, IP and ARP now work now on real Ell-i hardware. >> To baton is now back to me, and I expect to get it merged to the master >> branch in Runtime either tomorrow or latest during the weekend. > > After fixing a couple of tiny bugs, also UDP works now and CoAP responds. > However, there is still something wrong with CoAP replies, Copper doesn't > process them. I haven't pushed the latest changes yet. Will continue > tomorrow. It looks like the remaining problem is missing UDP checksums, otherwise CoAP seems to be working. Apparently Mac OS X requires UDP checksums on received packets. Adding good checksum code will take a while; most probably I won't get it done today. --Pekka