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Chapter 17: MPLS and IP Switching > QUESTIONS FOR READERS

QUESTIONS FOR READERS

Figure 17.9 shows some of the concepts discussed in this chapter and can be used to help you answer the following questions.

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FIGURE 17.9 An MPLS LSP from ingress to ingress router, showing label value to path. The LSP runs along the heavy lines through the routers designated. The label values used on each link are also shown.

1. Does the LSP in Figure 17.9 use the shortest path in terms of number of routers from ingress to egress?

2. What does traffic engineering mean as the term applies to MPLS?

3. Is there an LSP set up on the reverse path from egress to ingress router?

4. Which label is used on the LSP between routers A and B? Is this label added to another, or swapped?

5. Is PHP used on the LSP? How can you tell?


  

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