Lloyd, Which post are you exactly referring to? Harald At 09:19 17.05.2006 +0200, you wrote: >ARP packets addressed to the Ethernut board (2.1) crashing the TCP stack >using Nut O/S 4.0.2, 4.0.3 and 4.1.5 pre. >I see from previous messages that this is not a new problem. Is anyone >working on it?