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IP address distribution method and device

An IP address and allocation method technology, applied in the field of communication, can solve problems such as idle waste of IP addresses, inflexible IP address allocation methods, and tight supply of IP addresses, etc., and achieve the effects of improving utilization, simplifying maintenance and deploying difficulty

Active Publication Date: 2014-12-24
XINYANG BRANCH HENAN CO LTD OF CHINA MOBILE COMM CORP
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiments of the present invention provide a method and device for allocating IP addresses, which are used to solve the problem that the IP address allocation method in the prior art is not flexible enough, which leads to the waste of idle IP addresses or the shortage of IP address supply

Method used

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Embodiment Construction

[0021] Through the analysis and research of the prior art, the inventor found that the IP address allocation method used in the prior art has defects, that is, the IP address allocation method is not flexible enough, which leads to idle waste of IP addresses or tight supply of IP addresses. In order to solve this problem, the embodiment of the present invention provides a relatively flexible IP address allocation method. In this method, the inventor uses the master-slave IP address pool technology to unify addresses by adding an address pool convergence device as the user's DHCP server. The pool aggregation device assigns IP addresses to users; at the same time, the user's portal authentication is forwarded by the AC at Layer 2. In this way, users can share address pool resources, simplify maintenance and deployment difficulties, and avoid the problems of idle waste of IP addresses or tight supply of IP addresses in the prior art.

[0022] The embodiments of the present invent...

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Abstract

The invention discloses an IP address distribution method and device which are used for solving the problems that in the prior art, IP addresses are idle and wasted or supply of the IP addresses is tight. The method comprises the steps that firstly, an address pool convergence device receives a DHCP request having access to a controller for AC passthrough and judges whether the IP addresses, stored by itself, in a main IP address pool are distributed; secondly, if the IP addresses are not distributed, the address pool convergence device obtains the IP addresses from the main IP address pool and transmits information of the obtained IP addresses to users; thirdly, if the IP addresses are distributed, the address pool convergence device obtains the IP addresses from a subsidiary IP address pool and transmits the information of the obtained IP addresses to the users.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a method and device for allocating IP addresses. Background technique [0002] Dynamic Host Configuration Protocol (DHCP) is a LAN network protocol. Two computers connected to the Internet must have their own IP addresses to communicate with each other. Due to limited IP address resources, broadband access operators cannot assign a fixed IP address to each broadband user. , so it is necessary to use DHCP to assign temporary addresses to Internet users. [0003] In the existing networking scheme, the Access Controller (AC) is the user portal authentication gateway device, and at the same time, it will serve as the DHCP server to assign the corresponding IP address to the user (usually the IP address of the C network segment). User packets of the same Virtual Local Area Network (VLAN) / hotspot are terminated on the same Layer 3 interface of the AC, and different users acces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
Inventor 段琼刘三伟王顺新史正伟刘欣梦
Owner XINYANG BRANCH HENAN CO LTD OF CHINA MOBILE COMM CORP
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