I think that there's a way in linux to have a NIC act as though there is a crossover cable attached when it's really a straight cable, similar to how some hubs and switches have a port with a button ...

I need to make two crossover cables today. I just bought 2 Cat 5e patch cables, and didn't realize that I needed a crossover cable, and I rather need this done by tonight. My only tools are a pair of ...