Controller Discovery and Association

When a lightweight AP boots up, it cannot function without a controller. In this chapter, you will learn about the Lightweight Access Point Protocol (LWAPP) and the modes in which it can operate. You will also learn about how an AP finds controllers on the network, chooses one to join with, and then retrieves its configuration. In addition, you will look at the ways to provide redundancy for your AP in the event that a controller goes down. Finally, when an AP is joined with a controller, it can operate in certain modes that can be used for different reasons. You will learn these operational modes and when they are used.

You should do the "Do I Know This Already?" quiz first. If you score 80 percent or higher, you may want to skip to the section "Exam Preparation Tasks." If you score below 80 percent, you should spend the time reviewing the entire chapter. Refer to Appendix A, "Answers to the 'Do I Know This Already?' Quizzes," to confirm your answers.

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