Ethernet diagnostics software

[rorith at kydance.net]

> This email is coming to you over 430 feet of cat5e cable, which is good
> news, because it means that my "long-haul" ethernet link is working, at
> least it appears to be. Does anyone know of any good software to test
> and diagnose an ethernet network so I can be confident that I'm not
> getting any dropped packets?
>
> --Dave

'ifconfig' >.>

But yes, Ethereal is probably good.