Ben Bobbitt wrote: > > Yes, the DHCP part seems to be working. I see the transactions on the > wire and my app is able to retrieve the new IP address. I am also able > to transmit UDP packets. > > I've seen a couple of flavors of the receive issue. In one situation > the transmitting system sends out the ARP packet looking for the proper > device to associate with that IP, and the ARP module in lwIP doesn't > seem to recognize that it is directed to him. It seems that in other > instances ( using a different transmitting system ), there is no ARP > request preceding the transmit, and that's when my system responds with > the ICMP port unreachable. Both symptoms would still seem to point to > some setup problem with the netif.
You could enable ETHARP_DEBUG in lwipopts.h (and '#define LWIP_DEBUG 1' in your port) to see if that gives more info on what is going on. Jifl -- eCosCentric Limited http://www.eCosCentric.com/ The eCos experts Barnwell House, Barnwell Drive, Cambridge, UK. Tel: +44 1223 245571 Registered in England and Wales: Reg No 4422071. Visit us @ Embedded World 2008, Nürnberg, Germany, 26-28 Feb:Stand 11-336 ------["Si fractum non sit, noli id reficere"]------ Opinions==mine _______________________________________________ lwip-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/lwip-users
