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Dynamic address allocation method, device and server

An allocation method and dynamic technology, applied in the direction of transmission system, electrical components, etc., can solve the problem that the IP address pool cannot meet the needs of the application program.

Active Publication Date: 2018-10-02
SCHNEIDER ELECTRIC IND SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In some cases, the IP address pool of the default DHCP (Dynamic Host Configuration Protocol) server cannot meet the needs of the application

Method used

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  • Dynamic address allocation method, device and server
  • Dynamic address allocation method, device and server
  • Dynamic address allocation method, device and server

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Embodiment Construction

[0020] The present invention will be fully described below with reference to the accompanying drawings showing embodiments of the invention. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.

[0021] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms such as those defined in common dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in idealized or extremely formalized...

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Abstract

This application discloses a dynamic IP address allocation method, which includes: detecting in real time whether there is a device connection on the second network; when detecting that there is a device connection on the second network, judging whether the IP address of the device on the second network within the range of the default IP address pool of the first network; when the IP address of the device on the second network is not within the range of the default IP address pool of the first network, dynamically change the default IP address pool of the first network to be the same as that of the second network The IP addresses of the devices in the network are in the IP address pool in the same subnet; based on the address assignment request sent by the devices connected to the first network, assign IP addresses to the devices connected to the first network according to the changed IP address pool. According to the method of the invention, the user can automatically configure the IP address without performing any operations.

Description

technical field [0001] The present invention relates to dynamic address allocation, more specifically, to a dynamic address allocation method, device and server with dynamic IP address pool and short lease time. Background technique [0002] In some cases, the IP address pool of the default DHCP (Dynamic Host Configuration Protocol, Dynamic Host Configuration Protocol) server cannot meet the requirements of the application program. [0003] For example, a wifi access point acts as a DHCP server to DHCP clients (devices on WLAN (wireless) rather than LAN (wired)). The default IP address pool for the DHCP server is set at the factory (for example, from 192.168.0.1 to 192.168.0.99). The IP address (eg, 192.168.0.1) assigned by the DHCP server to the DHCP client on the WLAN may not be on the same subnet as the IP address of the device on the LAN (eg, 10.10.10.10). As a result, devices on a WLAN (Wireless Local Area Network, Wireless Local Area Network) cannot communicate with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12
CPCH04L61/5007H04L61/5014H04L61/5061
Inventor 王海峰邹翔叶均
Owner SCHNEIDER ELECTRIC IND SAS