Chapter 2. MPLS Architecture

What You Will Learn

After completing this chapter, you will be able to do the following:

  • Explain the format of an MPLS label

  • Describe a stack of MPLS labels and explain where it resides in the frame

  • Tell what a label switch router is and what functions it needs to perform

  • Describe what a label switched path and a Forwarding Equivalence Class are

  • Explain the difference between LIB and LFIB and how they are used in MPLS networks

  • Determine how labels are distributed in an MPLS network

This chapter helps you to understand how MPLS operates. By the time you finish this chapter, you will have a solid understanding of the building blocks of MPLS and an excellent start for the other chapters in this book.

MPLS stands for Multiprotocol ...

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