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How to Monitor Network Traffic Between Two Computers Using Network Monitor

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This topic explains how to use Network Monitor to monitor traffic between two computers.

Before You Begin

Before you perform the procedure in this topic, it is important to understand that this procedure works only on Windows computers that have the Network Monitor tools and drivers installed. For instructions on how to install the Network Monitor tools and drivers, see the Windows Help and Support, which is located on the Windows Start menu.

Procedure

To monitor traffic between two computers

  1. On the Capture menu, select Filter.

  2. In the Capture Filter dialog box, double-click ANY<->ANY.

  3. In the Address Expression dialog box, in the left window, select the address of one of the two computers to be monitored.

  4. In the Address Expression dialog box, in the right window, select the address of the second computer to be monitored.

  5. In Direction, select one of the following symbols:

    1. To monitor the traffic that passes in either direction between the two computers that you selected, select the <--> symbol.

    2. To monitor only the traffic that passes from the computer selected in the left window to the computer selected in the right window, select the --> symbol.

    3. To monitor only the traffic that passes from the computer selected in the right window to the computer selected in the left window, select the <-- symbol.

  6. Click OK.

  7. In the Capture Filter dialog box, click OK.

  8. On the Capture menu, click Start.