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Network performance

By tluong ·
Apologies if this is not the right forum, but I have a question on network performance.
I have an 16 ports 10Base-T hub connected to the main server and also connect to the 24 port 10/100 switch hub. The server is running very slow if someone is download or copy files. I'm thinking of upgrade the server hub to be 10/100mb switch hub also. I don't know if these going to speed up the network proccess. Please let me know all your comment will be appriacated.

Thank you in advance

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Network performance

by Some Guy in Seattle In reply to Network performance

If possible, servers and other public devices with heavier traffic should be on a switch. User PCs are fine on a hub (depending on the amount of network traffic they generate). And the faster the switch or hub, the better - 100Mb is better than 10Mb.

A second thing to look at is how slow the server is for other users during the download. If the server slows down noticeably for everyone during file transfers, there may be a bottleneck on the server itself. Make sure it is running 100Mb full-duplex (another reason to be on a switch - hubs don't run full-duplex), has an adequate amount of RAM and a large paging/swap file, hopefully on a physical hard driver other than the one being used for file storage. In file servers, raw CPU speedis less important than RAM, swap, and NIC speed/mode (unless it's a terminal server).

Hope that helps,

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Network performance

by Some Guy in Seattle In reply to Network performance

Sorry, that should be "physical hard drive" not "driver"!

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Network performance

by tluong In reply to Network performance

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Network performance

by admin In reply to Network performance

I'm sorry, but the answer with the information you've given so far is: "It Depends". Switches will run faster than hubs, but do you know if this is where the bottleneck is currently? Of course you will want to make sure if you change that all your network cards are upgraded to 100mbs too, and your cabling is all certified for 100base-T if you change to a 10/100 setup.

If your network traffic is bottlenecking at the current hub though, a switch will alleviate the problem and help your networkrun faster since the ports don't share the connections on a switch like they do on a hub.

You should really check your network throughput first, if you haven't already, and find out exactly where it is slowing down. Here is a free utility to troubleshoot with:
http://www.ganymede.com/qcheck2.phtml

It's called "Q-Check" with this you can tell for sure if changing the hub will get you the effect you desire :)

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Network performance

by tluong In reply to Network performance

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by Snow-Rider In reply to Network performance

Insure that the Server has a 10/100 NIC. Plug the server into the 10/100 Switch. Leave the 10BT Hub on the Switch.

All ports on the 16 port hub are competing for bandwidth on the port of the switch that the hub is plugged into.

Always give your Server/s a dedicated switch port.

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by tluong In reply to Network performance

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by tluong In reply to Network performance

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