debugging slow network
materribile at yahoo.com
Mon Dec 21 19:03:02 UTC 2009
> From: Anton Shterenlikht <mexas at bristol.ac.uk>
> Subject: debugging slow network
<20091220132250.GA94754 at mech-cluster241.men.bris.ac.uk>
> I seem to have a very slow network connection at work.
> All local switches are supposed to be gigabit, and my
> network card is gigabit as well. But download speed
> seems to be much lower.
> I'm not a networks person, but I understand there could
> many factors affecting the speed. There appear to be
> a multitute of different network related commands
> just in base OS. Which should I start with to get
> some idea of the actual network speed? netstat?
> And should I be looking for?
You might also check that all your cables are Cat5e or Cat6. If you have a Category 4 cable in there somewhere it could be causing errors and retries or forcing the network interfaces to revert to a lower speed after enough errors.
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