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Method for direct processing user IP address through local DHCP-SERVER

A DHCP-SERVER, IP address technology, applied in the direction of data exchange, electrical components, transmission system, etc. through path configuration, can solve the problems of SERVER processing capacity decline, bandwidth reduction, etc., to achieve the effect of increasing bandwidth and reducing application processing time

Inactive Publication Date: 2005-02-23
GANGWAN NETWORK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This leads to a direct drop in SERVER processing capacity, resulting in reduced bandwidth

Method used

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  • Method for direct processing user IP address through local DHCP-SERVER

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Embodiment Construction

[0015] like figure 1 As shown, the application structure of the present invention is shown in the figure, wherein: A: Radius Server server; B: Internet; C: L3 Switch, used for converging L2 Switch; D: L2 Switch; E: IP-DSLAM; F: user. And through IP-DSLAM built-in DHCP-SERVER to complete the allocation of user IP addresses.

[0016] The invention first configures the DHCP-SERVER for the DSLAM, so as to allocate IP addresses for the accessing PPPoE users through the built-in DHCP-SERVER, so that the address application can be processed internally. But when the DSLAM equipment has a built-in DHCP-SERVER, it encounters a problem, that is, PPPoE users must first go through the LCP stage, then pass the authentication, enter the NCP stage, and apply for an IP address. However, because PPPoE users usually require to return an IP directly, It does not have the ability to process and accept DHCP messages, so it cannot directly interact with the local DHCP-SERVER for address application...

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PUM

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Abstract

The method includes following steps: the DHCP-SERVER is set in DSLAM, the PPPoE for user's authentication is set up for DSLAM; after the user of DSLAM accesses the DSLAM and passes the authentication, an address request message is built and is sent to the above DHCP-SEVER, the above DHCP-SEVER receives the above request message, then decides if the address in address pool has the address, if yes, a available address is allocated to user and an address ACK message is built and is sent to DSLAM, if not, the address allocation is failure, an address NAK message is built and sent to above DSLAM.

Description

technical field [0001] The invention relates to a method for assigning IP addresses to users, in particular to a method for directly processing user IP addresses through a local DHCP-SERVER. Background technique [0002] With the development of network technology, broadband access has become a dominant user access mode at present. Broadband access generally includes methods such as ADSL, VDSL, and Ethernet. According to the operation needs of operators, all these methods require the process of broadband dial-up and authentication. After the authentication phase is completed, IP address allocation is usually required, the purpose is to assign an IP to the client so that the end user can communicate. At present, most IP-DSLAM (Digital Subscriber Line Access Multiplexer) have integrated basic authentication (such as 802.1x authentication, PPPoE authentication and termination) and IP address allocation and management functions into the DSLAM equipment. In this way, the upper-l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L29/06
Inventor 张丽军
Owner GANGWAN NETWORK CO LTD