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A kind of IP address management method and dhcp client machine in multi-dhcp server network environment

A technology of IP address and management method, which is applied in the field of IP address management method and DHCP client machine, can solve the problem of inconsistency of DHCP server network segments, etc., and achieve the effect of reducing the waste of IP resources

Active Publication Date: 2019-11-29
杭州富阳华数数字电视有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the embodiment of the present invention is that the IP address assigned by the DHCP server is inconsistent with the network segment that the user needs to access

Method used

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  • A kind of IP address management method and dhcp client machine in multi-dhcp server network environment
  • A kind of IP address management method and dhcp client machine in multi-dhcp server network environment
  • A kind of IP address management method and dhcp client machine in multi-dhcp server network environment

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Embodiment Construction

[0036] At present, in a complex network with multiple DHCP servers, if you obtain an unwanted IP network segment, you usually need to use a command (such as entering the "ipconfig / release" command) to release the IP address, and then use a command (such as typing in " ipconfig / renew" command) re-issue a new IP address request to the DHCP server. But there is still a certain probability of obtaining an IP address that you do not want to obtain. If you ask the network administrator to find DHCP servers that you don’t want to assign addresses, and shut down these servers, although you can obtain the desired IP address, this will be a tedious operation, and in many cases it cannot be achieved. , Such as the network administrator cannot be contacted. More importantly, other users on the same network may not be able to obtain the desired IP address, which may affect their normal use.

[0037] It can be seen that in the prior art, there is no network mechanism that can be applied to a...

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Abstract

An IP address management method and a DHCP client in a multi-DHCP server network environment, wherein the IP address management method includes: providing a DHCP client that accepts IP address assignment from the DHCP server, and the DHCP client executes the IP The address management method, the IP address management method includes: parsing the received DHCP OFFER data packet, and matching the assigned IP address in the DHCP OFFER data packet with a preset network segment; when the assigned When the IP address falls into the preset network segment, the IP address lease in the DHCP OFFER packet is accepted. Through the IP address management method and the DHCP client in the multi-DHCP server network environment, the problem that the IP address allocated by the DHCP server is inconsistent with the network segment that the user needs to access can be solved.

Description

Technical field [0001] The present invention relates to computer network technology, in particular to an IP address management method and DHCP client in a network environment with multiple DHCP servers. Background technique [0002] With the rapid development of the Internet and network equipment, the network environment has become more and more complex, and more and more DHCP servers are included in a network environment. To avoid address conflicts, the IP address pools managed by each DHCP server in a network environment usually belong to different network segments. [0003] When the user's network access terminal (such as router, mobile phone, computer, etc.) needs to connect to the network, it will send a DHCP request to obtain an IP address from the DHCP server. In a complex environment with multiple DHCP servers, the terminal will use the IP address that replies first. However, because the services provided by different network segments are different in most cases, the assi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12
CPCH04L61/5014H04L61/00
Inventor 黄江伟
Owner 杭州富阳华数数字电视有限公司
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