> >Both ends are Linksys 10/100 cards. The source machine is NetBSD driver fxp0,
> >the dest machine is NetBSD driver ne2. They are connected directly together
> >via a Cat 5, X-over cable -- no hub or switcher.
> >
> >Is this a to-be-expected "feature" of ftp, or should I maybe investigate
> >something?
>

Make sure both ends are truly at 100 megabits, and both have the same
duplex settings.  Manually force them to 100/Full Duplex if you have to.
I've seen Intel 82550 based cards not always auto-negotiate right.