Admin Know-IT-All Question #38

Admin Know-IT-All Question #38




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"Self is the only prison that can bind the soul."

- Henry Van Dyke





Today's Know-IT-All answer is:
b. Bind a network interface's physical address to an IP address

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On local area networks, ARP (address resolution protocol) is used by TCP/IP to bind a network interface's physical address to an IP address. ARP resolution, as this is called, has to be performed on a particular interface before it can communicate on the network.

To keep from having to repeatedly perform ARP resolutions, Windows 2000 stores ARP bindings in a local cache on each networked computer. The lifetime of the entries in this cache is by default a mere two minutes. If you have systems in a local network that perform a great deal of peer-to-peer communication, and their IP addresses tend to remain static for a long time (for instance, if they aren't shut down often), it makes sense to increase the lifetime of entries in the cache. Otherwise, they expire unnecessarily.

Open the Registry and navigate to...

>> Read Serdar Yegulalp's full article entitled: Change Windows ARP resolution.

>> Learn how to increase your ARP cahe size in Windows.

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