Test Nic Card Speed

I'm not sure I understand your question. Can you offer a little more information? Are you asking how to determine if its 10 or 100mb ethernet (for example) or what it's data throughput is (which has more really to do with the network than the individual nic).

The standard Ping command can give you response times in microseconds to your data and you can ping the loopback address for just the once card (127.0.0.1). A packet sniffer can show you times and data rates (take a look at www.ethereal.com for a great free sniffer).

I'll be glad to offer some more information if you provide some details.

Good luck!

I like the simple functional tests such as transferring a large file from one point to another. From knowing the file size and timing the transfer, you can calculate the bits/second of the connection.

As the answer above inferred, however, it can be difficult to separate out NIC limitations from network limitations. You can eliminate a lot of the variables by connecting two computers by a cross-over cable and setting both ends to full-duplex and the highest speed for the NIC - this eliminates the effect of a hub or switch. However, if one computer or the other has a bottleneck other than the NIC, this can alter your results.

regards!

paul

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