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    Part II: Building a Campus Network > Multilayer Switching

    Chapter 11. Multilayer Switching

    This chapter covers the following topics that you need to master for the CCNP SWITCH exam:

    InterVLAN Routing— This section discusses how you can use a routing function with a switch to forward packets between VLANs.

    Multilayer Switching with CEF— This section discusses Cisco Express Forwarding (CEF) and how it is implemented on Catalyst switches. CEF forwards or routes packets in hardware at a high throughput.

    Verifying Multilayer Switching— This section provides a brief summary of the commands that can verify the configuration and operation of interVLAN routing, CEF, and fallback bridging.

    Using DHCP with a Multilayer Switch— This section covers the basic configuration needed to make a switch act as a DHCP server or as a DHCP relay so that hosts can request addresses and learn their local default gateway addresses.

    Chapter 2, “Switch Operation,” presents a functional overview of how multilayer switching (MLS) is performed at Layers 3 and 4. The actual MLS process can take two forms: interVLAN routing and Cisco Express Forwarding (CEF). This chapter expands on multilayer switch operation by discussing both of these topics in greater detail.


      

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