Chapter 5. Ethernet

Ethernet is now the dominant LAN technology. Ethernet operates in the data link layer and the physical layer. Ethernet standards define both the Layer 2 protocols and the Layer 1 technologies. In this chapter, we review the characteristics and operation of Ethernet.

Ethernet Protocol

In this section, we review the Ethernet protocol, its operation, frame format, and the relationship between the MAC and IP addresses.

Ethernet Operation Completion Exercise

List and describe the two primary responsibilities of the Ethernet MAC sublayer:


List and describe the three primary functions of data encapsulation:

In your own words, ...

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