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Wireless access control method, wireless access point and wireless access controller

A wireless access control and wireless access point technology, applied in the field of communication, can solve problems such as high requirements for AC management and high risk of single point failure

Active Publication Date: 2013-08-21
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a wireless access control method, a wireless access point and a wireless access controller, which are used to solve the problems in the prior art that the requirements for managing the AC are high and the risk of a single point of failure is high

Method used

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  • Wireless access control method, wireless access point and wireless access controller
  • Wireless access control method, wireless access point and wireless access controller
  • Wireless access control method, wireless access point and wireless access controller

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Embodiment Construction

[0034] figure 1 This is a flowchart of an embodiment of the wireless access control method provided by the present invention. like figure 1 As shown, the execution subject of the following steps may be a wireless access point AP. The wireless access control method specifically includes:

[0035] S101, the wireless access point AP broadcasts a discovery request message to each AC in the wireless access controller AC pool group;

[0036] Wherein, the radio access controller AC pool group may be a group of ACs composed of several ACs, and generally, the grouping may be divided according to geographic locations and the like. When the wireless access point AP needs to establish a connection with an AC, it firstly sends a discovery request message to each AC in the AC pool group in the form of broadcast, so as to find an AC that provides wireless access services for itself.

[0037] S102: The AP receives a discovery response message sent by a first AC in the AC pool group, where...

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Abstract

The invention provides a wireless access control method, a wireless access point and a wireless access controller. The wireless access control method comprises the steps that the wireless access point (AP) broadcasts discovering request messages to wireless access controllers (ACs) of an AC pool set; the AP receives a discovering response message sent by a first AC in the AC pool set, wherein the discovering response message contains a virtual Internet protocol (IP) address of the first AC; The AP sends a first address resolution protocol (ARP) message to the first AC according to the virtual IP address of the first AC; the AP receives an ARP response message sent by the first AC, wherein the ARP response message contains a media access control (MAC) address of the first AC; the AP uses the MAC address of the first AC as a second-layer destination address, and uses the virtual IP address of the first AC as a third-layer destination address to send out wireless access to the first AC. The wireless access control method, the wireless access point and the wireless access controller effectively solve the technical problems of being high in requirement for managing the AC, and high in risk of single points of failure in the prior art.

Description

technical field [0001] The present invention relates to communication technology, and in particular, to a wireless access control method, wireless access point and wireless access controller. Background technique [0002] In carrier-grade WLANs, a centralized architecture is usually adopted, that is, a wireless access controller (Access Controller, AC)-wireless access point (Access Point, AP) structure, where the AP is a wireless transceiver device responsible for sending data from wired The data received by the network is converted into wireless signals for transmission, and the received wireless signals are converted into data and forwarded to the wired network. The AP needs to establish a connection with the AC, and provides wireless access services after joining the WLAN. The AC provides centralized management of WLAN, completes functions such as authentication / configuration / data forwarding of wireless users, and plays the role of centralized control. [0003] In the pr...

Claims

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Application Information

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IPC IPC(8): H04W8/26H04W48/16
Inventor 朱鹏周光涛王健全赵怀罡
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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