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Method for managing network layer address

An address management and network layer technology, applied in the field of network layer address management, can solve the problems of increasing the operator's total cost of ownership and management complexity, so as to save equipment and configuration, secure and effective network layer address management, and prevent embezzlement Effect

Active Publication Date: 2005-08-10
CHENGDU HUAWEI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some small and medium-sized simple networks, especially campus networks, it increases the operator's total cost of ownership and management complexity

Method used

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  • Method for managing network layer address
  • Method for managing network layer address
  • Method for managing network layer address

Examples

Experimental program
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Embodiment Construction

[0042] Fig. 3 is a schematic diagram of a PPP frame format. Among them, the F field identifies the beginning and end of a PPP frame; the FCS field is the check field of the frame; the content of the frame is included in the address (Address), control (Control), protocol (Protocol), and information (Information) fields content. When the Protocol field in the PPP frame (see IETF RFC1661) indicates that the protocol type is C227 (that is, the protocol is the PPP extensible authentication protocol), encapsulate and only encapsulate one PPP extensible authentication protocol message in the Information field of the PPP frame ( The present invention is called EAP message), and each domain is transmitted sequentially from left to right during transmission. The network layer address management method of the present invention expands the EAP message into an EAP service message, which is also encapsulated in the Information domain for transmission. The principle is as described below. ...

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Abstract

The method includes following flows: in authentication flow, logic ports of authentication device are authorized to user device, and authentication device obtains address of network layer from authentication server; in flow of assigning address, address assignment at network layer is completed through EAP service message of carrying address of network layer as attribute type interacted between authentication device and user device. The flow of assigning address includes following steps: (1) user device sends EAP service message of requesting address assignment at network layer to authentication device; (2) authentication device sends EAP service message of acknowledgement of address assignment at network layer to user device. The invention reduces cost for running network since DHCP server is not needed. Thus, configuration and arrangement for network is simpler.

Description

technical field [0001] The invention relates to network technology, in particular to a network layer address management method. Background technique [0002] The local area network defined by the IEEE 802 LAN protocol does not provide access authentication. Generally speaking, as long as users can access the LAN, they can access devices or resources on the network. However, for applications such as telecommunication access, office building LAN, and mobile office, network managers hope to control and configure user access, which creates a need for Port Based Network Access Control. That is, the IEEE 802.1X (hereinafter referred to as 802.1X) protocol. [0003] As can be seen from Figure 1, the architecture of 802.1X includes: [0004] User equipment (Supplicant) 1, the entity (Entity) at the end of the LAN connection, initiates a request to the authentication device (Authenticator) as an authentication requester, and checks the legitimacy of its identity; [0005] The auth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/02
Inventor 刘刀桂王玮
Owner CHENGDU HUAWEI TECH
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