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Method, device and system for monitoring illegal access point in the wireless LAN

A wireless local area network and illegal access point technology, which is applied in the field of monitoring illegal access points, can solve the problems of high cost and low feasibility, and achieve the effect of reducing monitoring costs and network traffic

Active Publication Date: 2009-09-23
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The disadvantage of the existing technology is that it is necessary to set up a dedicated monitoring AP for each illegal AP to monitor each illegal AP separately. Obviously, the cost of this solution is too high and the feasibility is low.

Method used

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  • Method, device and system for monitoring illegal access point in the wireless LAN
  • Method, device and system for monitoring illegal access point in the wireless LAN
  • Method, device and system for monitoring illegal access point in the wireless LAN

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Embodiment Construction

[0039] The invention provides a method, device and system for effectively monitoring illegal APs in a wireless local area network. By monitoring the APs, scanning each channel in turn and taking corresponding countermeasures for the illegal APs, the monitoring of the illegal APs is effectively realized. The present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0040] In order to effectively monitor illegal APs in the network, the present invention firstly provides a scanning mode, in which the monitoring AP scans the information of all APs on each channel according to the scanning mode, and the scanning on all channels forms a scanning mode. cycle, and enter the next scan cycle after each scan cycle is completed. The scanning mode specifically includes all channels that the monitoring AP needs to scan, the scanning duration of each channel, and the order of scanning each channel. image 3 Shown is a s...

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Abstract

The invention discloses a method for monitoring an illegal access point AP in a wireless local area network. The monitoring AP needs the information of the illegal AP to attack, and attacks the illegal AP on the currently switched channel. Based on the above method, the present invention also provides equipment and a system for monitoring illegal APs. According to the method, equipment and system of the present invention, the monitoring cost can be reduced, and illegal APs in the WLAN can be monitored more effectively.

Description

technical field [0001] The invention relates to a wireless local area network, in particular to a method, device and system for monitoring illegal access points in the wireless local area network. Background technique [0002] Wireless local area network (WLAN, Wireless local area network) technology is based on the 802.11 Media Access Control (MAC, Media Access Control) standard proposed by the Institute of Electrical and Electronics Engineers (IEEE, Institute of Electrical and Electronics Engineers), which defines the wireless workstation (STA , wirelesss station) and the air interface specification between the access point (AP, Access Point). The STA is a client of the wireless network, specifically a computer including an 802.11 wireless network interface card. An AP is similar to a base station in a wireless network. It can create a set of basic services and bridge a large number of STAs from a wireless network to other existing wired networks. The STA communicates wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/28
Inventor 张海涛萨奇恩
Owner NEW H3C TECH CO LTD
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