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DHCP address allocation method

An allocation method and IP address technology, applied in the network field, can solve the problems of users who cannot allocate different types of IP addresses, and cannot optimize the management and allocation of IP addresses, and achieve the effect of convenient scalability.

Inactive Publication Date: 2006-03-08
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a DHCP address allocation method to solve the technical problem that different types of IP addresses cannot be allocated to users with different user information in the prior art, and further optimization of management and allocation of IP addresses cannot be achieved.

Method used

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0027]Please refer to FIG. 1 , which is an architecture diagram of a DHCP address allocation system. It includes a plurality of DHCP servers 110 , a DHCP relay agent 120 and a plurality of DHCP clients 130 . The DHCP server 110 is an Internet host that provides network setting parameters to the DHCP client 130 . The DHCP client 130 is an Internet host that obtains network configuration parameters through the DHCP protocol, usually a workstation. The DHCP relay agent 120 is a host or router that forwards DHCP packets between the DHCP client 130 and the DHCP server 110 . When the DHCP client 130 and the DHCP server 110 are located in the same subnet, they can directly communicate with the DHCP message, and do not necessarily forward the DHCP message through the DHCP relay agent 120 . However, since DHCP packets are broadcast, they cannot pass through multiple subnet...

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Abstract

The method includes steps: (1) sorting IP addresses in IP address pool, building mapping relation between each IP address type and information of user at client end of Dynamic Host Configuration Protocol (DHCP); (2) sending information of user at client end of DHCP bound on message of DHCP request to DHCP server; (3) obtaining the information of user, DHCP server finds a usable IP address from IP address type possessing the mapping relation with the information of user and assigns it to client end of DHCP. Thus, the invention optimizes dynamic allocated IP addresses.

Description

technical field [0001] The present invention relates to the network field, in particular to a DHCP address allocation method, in particular to a DHCP (Dynamic Host Configuration Protocol, Dynamic Host Configuration Protocol) server address allocation method according to user information. Background technique [0002] In a TCP / IP network, if each workstation wants to access resources on the network, basic network configuration must be performed. Some main parameters such as IP address, subnet mask, default gateway, domain name server, etc. are essential. Some additional information such as IP management policies may also be required, so the management and maintenance of the network is a very heavy task. For example, when a computer is transferred from one subnet to another, the system needs to be reconfigured. Manual configuration by technicians is not only cumbersome to operate, but also requires a higher level of technicians, and may even cause network failures due to inap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
Inventor 孙广新
Owner NEW H3C TECH CO LTD
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