[Gllug] Observed speed of gigabit ethernet only about 1/4 or 1/5 of advertised

[Richard Jones]

On Mon, Jul 23, 2007 at 11:54:08AM +0100, Pete Ryland wrote:
> On 14/07/07, Richard Jones <rich at annexia.org> wrote:
> > Hi, I've just got a new gigabit ethernet switch to replace my ancient
> > 10 Mbps home switch.  The old switch easily maxed out at 10 Mbps.
> 
> No-one else mentioned it, but check that the cables you're using are
> rated for GigE use.  I'd have to check, but I think that means minimum
> cat5e (not just cat5) or cat6.

I don't have the cables in front of me right now to check, but they
are short patch cables and are probably basic cat5.  My question
though: surely if they were operating in a degraded mode they'd fall
back to 100 Mbps, rather than the ~200 Mbps observed?

Rich.

-- 
Richard Jones
Red Hat
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