CAPWAP RFC PDF

RFC CAPWAP Protocol Base MIB May CAPWAP Control Channel: A bi-directional flow defined by the AC IP Address, WTP IP Address, AC control. The Control And Provisioning of Wireless Access Points (CAPWAP) protocol is a standard, The protocol specification is described in RFC RFC (part 1 of 6): Control And Provisioning of Wireless Access Points ( CAPWAP) Protocol Specification.

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Network Working Group P. Research In Motion D.

Please refer to the current edition of the “Internet Official Protocol Standards” STD 1 for the standardization state and status of this protocol.

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Current Status and Overview of the CAPWAP Protocol

Without obtaining an adequate license from the person s controlling the copyright in such materials, this document may not be modified outside the IETF Standards Process, and derivative works of it may not be created outside the IETF Standards Process, except to format it for publication as an RFC or to translate it into languages other than English.

This document describes the base CAPWAP protocol, while separate binding extensions will enable its use with additional wireless technologies.

Table of Contents 1. Conventions Used in This Document AC Name with Priority Decryption Error Report Period Primary Discovery Request Message Change State Event Request Change State Event Response Converting Protected Data into Unprotected Data.

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Deletion of Protected Records Insertion of Unprotected Records Returned Message Element Reason The emergence of centralized IEEE WTPs require a set of dynamic management and control functions related to their primary task of connecting the wireless and wired mediums.

Split and Local MAC medium access control. As shown in Figure 1the wireless frames received from a mobile device, which is ca;wap to in this specification as a Station STAare directly encapsulated by the WTP and forwarded to the AC. The latter implies that the WTP performs the In either case, the L2 wireless management frames capsap processed locally.

Figure 2 shows the Local MAC mode, in which a station transmits a wireless frame that is encapsulated in an Allowing these functions to be performed from a centralized AC in an interoperable fashion increases manageability and allows network operators to more tightly control their wireless network infrastructure.

To centralize the authentication and policy enforcement functions for a wireless network.

Current Status and Overview of the CAPWAP Protocol

The AC may also provide centralized bridging, forwarding, and encryption of user traffic. Centralization of these functions will enable reduced cost and capeap efficiency by applying the capabilities of network processing silicon to the wireless network, as in wired LANs. To enable shifting of the higher-level protocol processing from the WTP.

This leaves the time-critical applications of wireless control and access in the WTP, making efficient use of the computing power available in WTPs, which are subject to severe cost pressure. To provide cawap extensible protocol that is not bound to a specific wireless technology.

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Extensibility is provided via a generic encapsulation and transport mechanism, enabling the CAPWAP protocol acpwap be applied to many access point types in the future, via a specific wireless binding.

Inter-AC and station-to-AC communication are strictly outside the scope of this document.

Contributing Authors Capaap section lists and acknowledges the authors of significant text and concepts included in this specification. The following people are authors of significant DTLS-related text included in this document: Terminology Access Controller AC: The network entity that provides WTP access to the network infrastructure in the data plane, control plane, management plane, or a combination therein.

Overview of CAPWAP (Cisco Wireless LAN Controllers)

A device that contains an interface to a wireless medium WM. The physical or network entity that contains an RF antenna and wireless Physical Layer PHY to transmit and receive station traffic for wireless access networks. This document uses additional terminology defined in [ RFC ].