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Method and device of Portal centralized authentication

An authentication method and IP address technology, which can be used in electrical components, transmission systems, etc., to solve the problem of occupying public network IP addresses.

Inactive Publication Date: 2013-05-22
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adopting the present invention can not only realize the existing problem of Portal centralized authentication through AC in the case of Fit AP local forwarding in the WLAN network, but also solve the problem of occupying the public network IP address before the user Portal centralized authentication

Method used

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  • Method and device of Portal centralized authentication
  • Method and device of Portal centralized authentication
  • Method and device of Portal centralized authentication

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Embodiment Construction

[0052] In order to achieve the purpose of the present invention, the core idea adopted by the present invention is: use the flow-based forwarding mode of the Fit AP in the existing WLAN network, when the STA authentication fails, assign a private network IP address to the unauthenticated STA, and default The centralized forwarding mode is used to send all user data to the AC for processing. Portal authentication is enabled on the corresponding interface of the AC and processed according to the normal Portal process. After the STA's Portal authentication passes, the AC sends the authenticated STA's MAC address through the CAPWAP tunnel, and sends an instruction to the Fit AP to enable the local forwarding function for the STA, and at the same time, sends an instruction to the Fit AP to disconnect the STA. For the previous wireless connection of the STA, the STA re-initiates the DHCP request to obtain the public network IP address. Through the present invention, not only can rea...

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Abstract

The invention discloses a method and a device of Portal centralized authentication. The method and the device of the Portal centralized authentication utilize a Fit AP flow-based transmitting module. When STA (single thread apartment) authentication is not passed, a private network internet protocol (IP) address is distributed to the un-authenticated STA and a centralized transmitting module is utilized in a default mode and data of all users are intensively transmitted to an AC (auto-coder) to be handled. Corresponding AC interfaces enable the Portal authentication to be handled according to normal Portal process. The AC issues a MAC (physical address) of the authenticated STA and issues instructs to the Fit AP to open a local forwarding function through a control and provisioning of wireless access points (CAPWAP) channel after the Portal authentication of the STA is passed, wherein the local forwarding function are contraposed to the STA. Meanwhile, the AC issues instruments to the Fit AP to break previous wireless connections and the STA starts a DHCP (dynamic host configuration protocol) requirement to obtain a public network IP address. The method and the device of the Portal centralized authentication can not only a solve AC centralized Portal authentication problem under the Fit AP local transmitting condition in existing wireless local area network (WLAN) but also can solve the problem of occupying the public network IP address before a Portal user is authenticated.

Description

technical field [0001] The present invention relates to the technical field of WLAN (Wireless Local Area Network), in particular to a method and device for performing Portal centralized authentication when a Fit AP local forwarding situation exists in a WLAN network. Background technique [0002] In the current WLAN wireless network, the centralized wireless local area network is more and more widely used due to its advantages of strong manageability and suitability for large-scale deployment. In a centralized WLAN, the AC and the Fit AP can be connected through a proprietary protocol tunnel, commonly used is the Controlling and Provisioning of Wireless Access Point (CAPWAP, Controlling and Provisioning of Wireless Access Point) protocol, through the CAPWAP tunnel can Perform data transmission and configuration management between Fit APs and ACs. [0003] In a traditional centralized WLAN, Portal authentication is sent to the Portal server through the AC. After the user’s P...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L29/06H04L29/12
Inventor 郑涛张海涛
Owner NEW H3C TECH CO LTD
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