Chapter 8. The MPLS Conceptual Model
Exam Topic List
This chapter covers the following topics that you need to master for the CCNP ISCW exam:
Introducing MPLS Networks—. Describe MPLS as an overall technology and how it relates to legacy WAN options
Router Switching Mechanisms—. Describe MPLS label switching functionality
Traditionally, wide-area network (WAN) connectivity is deployed as a Layer 2 topology configured to transport Layer 3 traffic. The WAN has always been portrayed as a cloud in pictures, diagrams, and documentation. This is due to the fact that a third-party provider owns the network and decides how it is to be constructed, its traffic policies, and the manner in which it is managed.
Although most of this still rings true, today’s WAN ...
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