Network saturation when client PC is at 100 mbps, not 10 mbps??

[gregfranklin]

This is a weird one. We have two WIndows 2000 domain controllers with about 80 pcs on the network. We have one NAT subnet, with a T1 connection to the web. The network speed is 10/100 mbps, we also have a mixed array of hardware switches and hubs, cat3, cat5, cat5e, and cat6 cabling. My PC is cat5e, 100mbps full dup. Whenever I download something from the web, I utilize 99% of the bandwidth and everyone else's connection just slows down to a crawl. I noticed my download speed is at around 170 kbps which is normal. Now for the weird part.... If I change my network card settings to 10 mbps half dup, I can then download from the web, my dl speed is still 170 kbps, and I don't saturate the network. Any ideas??

 

[wfischer]

Hi,

have you captured the traffic?

Werner Fischer
SCM / CCIE / JNCIS
look at the frames - bit by bit