Chapter Review Questions

You can find answers to the following questions in Appendix A, "Answers to the Chapter Review Questions."

1. Name the advantages of MPLS traffic engineering.

2. What are the components of MPLS traffic engineering?

3. What are the attributes of the links enabled for traffic engineering?

4. Name the six ways how you can forward IP traffic onto a TE tunnel.

5. Name four kind of path options you can specify?

6. When you have an MPLS VPN network and TE tunnels that do not always have the PE routers as head/tail end routers, what do you need to have?

7. What is the LSR that is the head end router of a backup tunnel called?

8. Why do you need a link-state routing protocol for MPLS TE?

9. What is the feature called that has the IGP advertise TE tunnels as links?

10. How does the head end LSR of a TE tunnel know that the tunnel is fast rerouted over a backup tunnel?

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What You Will Learn

By the end of this chapter, you should know and be able to explain the following:

■ The necessity of having IPv6 as the successor protocol of IPv4

■ The main differences between IPv4 and IPv6

■ A brief overview of the IPv6 unicast routing protocols

■ How to carry IPv6 across an MPLS network

■ What 6PE stands for and how it operates

■ What 6VPE stands for and how it operates

When you have finished this chapter, you will be able to explain the IPv6 protocol in a few sentences. You will also be able to choose the best-suited solution for an MPLS network transporting IPv6 across it.

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