Q

Should I subnet?

I am an admin with 100+ computers we have only two switches and eight hubs (WinNT server and Win9x nodes.)

To increase the speed of the network a friend suggested that I subnet the computer. Is this possible, if so, where do I begin?
Subnetting will reduce the amount of broadcast traffic. If you decide to subnet you will need a router. I would suggest replacing the hubs with switches. Why? Because hubs don't segment traffic; therefore they cannot offer the speed of a switch. If you cannot replace all the hubs at once move your powerusers, servers, and domain controllers to switched ports. A final reason to replace those hubs is because they allow anyone connected to its ports to sniff traffic on that segment of the network. That's an increased security risk.

This was first published in May 2003

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