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

[James Roberts]

Richard Jones wrote:
> On Mon, Jul 23, 2007 at 11:54:08AM +0100, Pete Ryland wrote:
>> 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?

100Mbps duplex *is* 200Mbps...

gigabit duplex is 2000Mbps (should see 17/1800)

Mej
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