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Wireless network terminal access control method and device thereof

A technology of wireless network and gateway equipment, applied in the field of communication, can solve the problems of long setting time, inability to save IP address resources and wireless air interface resources, and achieve the effect of saving network address resources

Inactive Publication Date: 2010-08-04
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its disadvantage is that in order to prevent users from frequently going offline without traffic for a short period of time, the set time is generally longer (the default is 1 hour).
Therefore, it is basically unable to save IP address resources and save wireless air interface resources in actual use.

Method used

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  • Wireless network terminal access control method and device thereof
  • Wireless network terminal access control method and device thereof
  • Wireless network terminal access control method and device thereof

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Embodiment Construction

[0045]The present invention provides a terminal access control method in a wireless network, which is applied to a wireless network including a terminal, an AP, a DHCP server, and a gateway device. The core idea is that after the wireless user terminal obtains an IP address, In the process of accessing the network, Portal authentication can be experienced and the ARP (Address Resolution Protocol, Address Resolution Protocol) request to the gateway can be initiated periodically. Therefore, in the method provided by the present invention, whether the user terminal will regularly actively Initiate an ARP request to the gateway device to determine whether the user terminal has passed Portal authentication; for a user terminal that does not regularly initiate ARP requests to the gateway device, it can be judged that it has obtained an IP address without Portal authentication For user terminals of this type, since they do not need to access the network, the DHCP server may be notifie...

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PUM

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Abstract

The invention discloses a wireless network terminal access control method and a device thereof. In the invention, for a terminal assigned with IP address by a DHCP server, an AP can judge whether the terminal is an authentication terminal or not by ARP message interacted between a monitoring terminal and a gateway; and if the terminal is not the authentication terminal, the AP rejects the terminal to access a wireless network and informs the DHCP server of releasing the IP address resource of the terminal, so that the aim of saving wireless vacant interface and network address resource is realized.

Description

technical field [0001] The present invention relates to the communication field, in particular to a terminal access control method and equipment in a wireless network. Background technique [0002] In the metropolitan area network architecture, Portal is generally used to implement user security authentication. The authentication control point is usually in the BAS (Broadband Access Server) of the metropolitan area network. The BAS acts as a gateway and usually has a DHCP ( Dynamic Host Configuration Protocol, Dynamic Host Configuration Protocol) server function. The basic process of Portal authentication involved in user terminal Internet access in WLAN (Wireless Local Area Network, wireless local area network) is as follows: figure 1 shown, including: [0003] (1) The user terminal first applies for an IP (Internet Protocol, Internet Protocol) address, and then initiates a WEB access. [0004] Wherein, there is a DHCP server on the network side responsible for allocatin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W8/26H04W24/00H04W76/06H04W80/04
Inventor 郑涛姚民常向青刘建锋
Owner NEW H3C TECH CO LTD