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Quickly and simply troubleshoot networks from the command line

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I love using command line tools, especially for troubleshooting networking. There are two simple commands you need to know; ipconfig and ping. Here’s a simple guide to finding where the problem :

  1. Open the command line by opening the “run” dialog box, entering cmd and clicking OK
  2. Ensure that the TCP/IP service is running by pinging the loopback address like so: ping
  3. Run the ipconfig command, which should give you information something like this:
  4. IP Address. . . . . . . . . . . . :
    Subnet Mask . . . . . . . . . . . :
    Default Gateway . . . . . . . . . :

  5. If your address is not an APIPA address, ping your IP-address.
  6. Ping the default gateway
  7. Ping
  8. Ping the website or server you are trying to reach

If any of the above tests fail, you’ve found where the problem is.

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