Poor connection speed over Cisco 2960 switch

Jo Cox
Jo Cox used Ask the Experts™
on
Hi, we recently checked the speed at which we could download a large (2.5GB) file over several different Cisco 2960 switches (from a server to a laptop) and kept getting an average speed of 11.3MB/s. The laptop and server are both directly connected to the switch.

When I plugged a laptop directly into the host server (with a crossover cable) where the file was stored and attempted to copy the file over we got an average speed of 113MB/s, 10x faster than doing the same operation over each Cisco switch.

Any ideas why we are getting such poor network speeds over the switches? The cisco ports are Gb connections as are the network ports on the laptop and server.
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Head of IT Security Division
Top Expert 2010
Commented:
Hi,

Please set all ports to 1000M fullduplex and set the PC and sarver ports also, in this case you able to prevent duplex mismatch!
Jo CoxICT Manager

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Commented:
Sorry, our mistake, our switch is running at 1000GB/s. All ok, please ignore!

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