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The application demonstrates the use of zero-copy buffers for packet fragmentation.
-The initialization and run-time paths are very similar to those of the L2 forwarding application
-(see Chapter 9 "L2 Forwarding Simple Application (in Real and Virtualized Environments)" for more information).
+The initialization and run-time paths are very similar to those of the :doc:`l2_forward_real_virtual`.
This guide highlights the differences between the two applications.
There are three key differences from the L2 Forwarding sample application: