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I'm having intermittent problems with my internet, and would like to be able to give my provider enough information to help them diagnose the problem.

Is there a free tool I can run on my PC to track internet connectivity over time. I'm not sure what it would measure--maybe ping or packet loss? I have found tools online that allow you to ping or measure packet loss on demand, but nothing that constantly runs and logs uptime/downtime.

Does such a (free) tool exist?

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As it stands now, this question is likely to be closed, being a software recommendation. If you change the wording so it doesn't get closed, you will likely get more answers. I will post one in a minute or two though to help – Canadian Luke Feb 27 '13 at 1:46

You can use the built in PING command, available on virtually all OSes that support TCP/IP. But for it to be useful...

  1. Plug the computer DIRECTLY into the modem
  2. Know a well-known IP address or web server that you can ping
  3. Collect the results to a file

Assuming you are using Windows, you can simply do something such as PING -t > %USERPROFILE%\PingTest.txt; on *nix systems, ping > /home/username/pingtest.txt or similar. The -t on the Windows side does an endless ping, only stopping for a Ctrl+C

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