Chapter 3. Switch Operation

<feature><title>This chapter covers the following topics that you need to master for the CCNP BCMSN exam:</title>
  • Layer 2 Switch Operation—. This section describes the functionality of a switch that forwards Ethernet frames.

  • Multilayer Switch Operation—. This section describes the mechanisms that forward packets at OSI Layers 3 and 4.

  • Tables Used in Switching—. This section explains how tables of information and computation are used to make switching decisions. Coverage focuses on the Content Addressable Memory table involved in Layer 2 forwarding, and the Ternary Content Addressable Memory used in packet-handling decisions at Layers 2 through 4.

  • Troubleshooting Switching Tables—. This section reviews the Catalyst commands ...

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