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L3 Most Likely Path shows the most likely path that routable Layer 3 traffic would take between a source device and a target device, ignoring Layer 2 connectivity between Layer 3 devices.

To display an L3 most likely path topology:

  1. Locate the starting device in the graph.
  2. Right-click the device and select L3 Most Likely Path.
  3. In the window that appears, select the source network view from the Network View dropdown menu. 
  4. Select the target device.
    The resulting graph is displayed in a separate window. The starting device is highlighted.