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If 100 Devices in a LAN Is Good, 1000 Devices Must Be Better

Nov 23,2008 by alperen

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If 100 Devices in a LAN Is Good, 1000 Devices Must Be Better

In some cases, bigger is better, but in other cases, it is not. As a LAN grows, it might become too big. The problem? Well, each PC must spend CPU cycles processing received broadcasts. As the broadcast domain increases in size, every device has more broadcasts to process. As a result, it makes sense not to put too many devices in a single VLAN.

Although there is no exact number to shoot for, most networks today avoid LANs with more than a few hundred devices. If you have 1000 devices and you want no more than 200 per LAN, you could simply create five or more VLANs and put some devices in each VLAN.


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