Command line tip #11- Find local IP addresses with “ipconfig”

Command line tip #10 mentioned that your router or Internet gateway will have a local IP address. There will also be a local IP address for your computer. Entering “ipconfig” in the command line will display both addresses as well as something called the “subnet mask”. For home setups the subnet mask is almost always 255.255.255.0 and is not usually a parameter that needs attention. As mentioned in the tip on using “ping”, you may need to know the gateway IP so you can check if you are connected. Also, the local address for the computer can be useful if you have more than one computer on your network. You can “ping” another computer on the local network to see if your computer is communicating with the second computer.

The command “ipconfig” has a number of switches and functions. They are discussed at commandwindows.com/tcpiputil.htm.

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