Hello again, sorry for the delay. I have uploaded fixed files etc and instructions on how to apply here:
http://sp4m.net/de2_web_fix.zip (
http://sp4m.net/de2_web_fix.zip)
I have tested the TCP/IP performance with a simple echo server running on the board and a corresponding app running on my PC (connected directly to the board). I get about 550KB/s each way. With traffic going only one way from the board to the PC (just ACK packets going the other way), I get about 3MB/s. The HTTP server example works, but seems a little slow. I haven't looked into why this is. I have not tested DHCP, I'm using a static IP.