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IP address distribution method and apparatus

A technology of IP address and allocation method, which is applied in the field of communication, can solve problems such as heavy user workload and IP address allocation errors, and achieve the effect of reducing workload and avoiding allocation errors

Inactive Publication Date: 2016-07-13
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When manually assigning an IP address to each DHCP client, the workload of the user is heavy, and it is easy for the user to assign the same IP address to different DHCP clients, resulting in wrong IP address assignment

Method used

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  • IP address distribution method and apparatus
  • IP address distribution method and apparatus
  • IP address distribution method and apparatus

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Experimental program
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Embodiment Construction

[0036] The terminology used in the present invention is for the purpose of describing specific embodiments only, not limiting the present invention. As used herein and in the claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

[0037] It should be understood that although the terms first, second, third, etc. may be used in the present invention to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present invention, first information may also be called second information, and similarly, second information may also be called first information. Depen...

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PUM

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Abstract

The invention provides an IP address distribution method and apparatus. The method comprises: when an address request message from a DHCP client is received, an IP address capable of determining DHCP relaying uniquely is added to the address request message and VLAN information of a port receiving the address request message and unique identifier information of the port are added to the address request message; the address request message is sent to a DHCP server; an address response message returned by the DHCP server is received, the unique identifier information of the port is parsed in the address response message, and a port corresponding to the unique identifier information is determined; and the address response message is sent to the DHCP client by the port. According to the technical scheme, the workload of the user can be reduced and an IP address distribution error can be avoided.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for allocating IP addresses. Background technique [0002] Such as figure 1 As shown, it is a schematic diagram of a DHCP (DynamicHostConfigurationProtocol, Dynamic Host Configuration Protocol) networking application. The DHCP client applies for an IP address from the DHCP server, and the DHCP server assigns an IP address to the DHCP client, and returns the assignment to the DHCP client. IP address, so as to realize the dynamic configuration of the IP address of the DHCP client. [0003] If the DHCP client and the DHCP server are on the same network segment, the packets sent by the DHCP client can reach the DHCP server, thereby completing the dynamic configuration of IP addresses. However, when the DHCP client and the DHCP server are located in different network segments, the packets sent by the DHCP client cannot reach the DHCP server, so the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
CPCH04L12/4641H04L61/5014
Inventor 许豫飞
Owner NEW H3C TECH CO LTD