Hi,
The attached image works as expected in VICE (both in RR-Net and TFE mode). Additionally I successfully tested the very same Ethernet driver binaries both with CS8900A and LAN91C96 Ethernet cards on an Apple2.
But nevertheless I'd be very happy to actually know if Contiki 2.1 really works on a real C64 with RR-Net/TFE and ETH64. As I don't have any C64 related hardware I'd appreciate feedback from forum members.
In case you run into issues and are willing/capable of tracking them down yourself here's a pointer to the Contiki 2.1 source:
http://www.sics.se/contiki/current-events/contiki-2.1-released.html
Thanks in advance, Oliver