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This chapter is from the book

Foundation Summary

The Foundation Summary is a condensed collection of material that provides a convenient review of key concepts in this chapter. If you are already comfortable with the topics in this chapter, this summary will help you recall a few details. If you just read the Foundation Topics section, this review should help solidify some key facts. If you are doing your final preparation before the exam, these materials are a convenient way to review the day before the exam.

Table 4-13 Ethernet Frame Formats

Frame

Description

Ethernet V2

Uses 2-byte Type field.

IEEE 802.3

Uses 2-byte Length field and 3-byte LLC.

IEEE 802.3 SNAP

Uses 2-byte length field, 3-byte LLC, and 5-byte SNAP; the SNAP values are 0xAA.

Novell Raw

Uses 2-byte length field; data begins with 0xFFFF.


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