Chapter 4. The CAPWAP Protocol

Control and Provisioning of Wireless Access Points (CAPWAP) is a standard and interoperable protocol that enables a Wireless LAN Controller (WLC) to manage access points (AP) or wireless termination points (WTP). CAPWAP is based on the Lightweight Access Point Protocol (LWAPP). This chapter describes the changes in controller and AP software to enable CAPWAP support and to enable an upgrade from LWAPP to CAPWAP. The chapter covers a good amount of the protocol, but for those who want to get a deeper understanding, refer to the CAPWAP RFCs. Figure 4-1 gives a brief overview of the different RFCs the CAPWAP protocol involves:

Figure 4-1 Important Wireless RFCs and Relationships

RFC 4564 defines the objectives for ...

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