[Beowulf] Performance tuning for Jumbo Frames

[John Hearns]

2009/12/12 Kevin Hunter <hunteke at earlham.edu>:

>
> I don't have access to all hardware (obviously), but it's been my
> experience that *any* NIC made in the last 6- years (10G, 1G, 100M) no
> longer needs crossover cables to do direct NIC-to-NIC communication.

10gig uses fibre cables, CX-4 copper or only very recently 1000-GBASE-T
so 'crossover' cables only applicable (or not) in the last case.