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possibly HUB stops randomly???

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by ilkopaunov

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We have 4 PCs running Microsoft TCP network connected to one 8 ports HUB. PCs are in one room.
When copy one directory it stops transfer randomly I think. for example: it can work 2h and then stops all trafic or transfers a half file. When it worksping command are normal. We changed hub. The result is the same.
What can be a problem?

7 replies

by shmaltz

Please supply more info.
But from what you describe it looks to me that its a hardware problem check all the cables make sure that they are CAT5 cable and not the cheaper ones, if you crimped them then make sure that you crimped it acording to thecolor codes (yes it does make a difference what color coding you use)
or make sure that your NICs are working properly.

by tigre_269

Is this configuration your whole network, or is it a group of PC's connected to a hub that is patched to a wall jack, connected to a larger network?

If you are connecting to a larger network, I recommend seperate patches for each system. Hubs are shared Ethernet, so if you have a 10Mb hub, and all four systems are used for heavy network I/O, you'll get a lot of collisions, thus very slow performance.

Is there a collision LED on your hub? If so, try plugging in one system at a time andcheck the collision light. You will receive some collisions, but if the light is solid, there is a problem. I had a single bad NIC card bring down a whole department. I can assist you further if you provide some more information.

by vue

What kind of NIC card are you using? I hope not 3com 3c590. If they are, replace them. This model is bad NIC. If they are not, I would take down two pc and just work with two at a time till I find which one is causing the problem. Good luck.

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