This is a great little utility for professional Network Administrators and part-time (home network) like me. It is a tool that allows you to capture and analyze traffic in your network.
Here's the overview from the site:
Network Monitor 3.1 is a protocol analyzer. It allows you to capture network traffic, view and analyze it. Version 3.1 is an update and replaces Network Monitor 3.0. Network Monitor 3.x is a complete overhaul of the previous Network Monitor 2.x version.

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Here's the download link: Click here
Here's a link to the blog around Network Monitor: Click here
~Robert Shelton
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