Re: jumbograms (& em) & nfs a no go
From: Garrett Wollman (wollman_at_khavrinen.lcs.mit.edu)
Date: 10/30/03
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Date: Thu, 30 Oct 2003 12:48:32 -0500 (EST) To: Barney Wolff <barney@databus.com>
<<On Thu, 30 Oct 2003 12:34:15 -0500, Barney Wolff <barney@databus.com> said:
> Just a minor note: GigE should not require a crossover cable. It's
> supposed to work to connect two GigE adapters with a straight-thru
> cable. I verified this with two Intel em NICs, quite a while ago.
This should hardly be surprising, since 1000BASE-TX transmits and
receives bidirectionally on all four pairs simultaneously.
> As I recall, when I used a crossover cable, I could not get the
> adapters to go to 1000, only 100. That might have been the cable,
> or not.
That's at least conceivable; I don't know enough about the wire
protocol to tell whether that's supposed to happen or not.
-GAWollman
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