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Method and device for automatically solving IP network segment conflict

A solution, IP network technology, applied in the field of automatic resolution of IP network segment conflicts and devices, can solve problems such as IP network segment conflicts, routers cannot obtain IP addresses, and cannot access the Internet, so as to eliminate IP conflicts and have practical operation sexual effect

Inactive Publication Date: 2016-05-11
PHICOMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when two routers do secondary routing, IP network segment conflicts are likely to occur, so that the router (secondary router) as the secondary routing cannot obtain an IP address, and thus cannot access the Internet, or even if it can obtain an IP address, it is still the same. Able to surf the Internet without any prompts on the page

Method used

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  • Method and device for automatically solving IP network segment conflict
  • Method and device for automatically solving IP network segment conflict
  • Method and device for automatically solving IP network segment conflict

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Embodiment Construction

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these drawings and obtain other implementations.

[0023] In order to make the drawing concise, each drawing only schematically shows the parts related to the present invention, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked. Herein, "a" not only means "only one", but also means "more than one".

[0024] figure 1 ...

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Abstract

The invention discloses a method for automatically solving an IP network segment conflict of Multi-WAN +LAN. The method comprises the following steps: S1, obtaining an IP address and a subnet mask WANMASK allocated by an upper level device to a router WAN port, and meanwhile obtaining the IP address of a router LAN port; S2, calculating the IP address and the subnet mask WANMASK allocated by the upper level device to the router WAN port to obtain the WAN network segment where the IP address of the router WAN port is located; S3, judging whether the IP address of the router LAN port exists in the WAN network segment; and S4, when the IP address of the router LAN port exists in the WAN network segment, changing the IP address of the router LAN port according to a preset rule, so that the IP address of the router LAN port does not exist in the WAN network segment. The method disclosed by the invention is used for detecting whether an LAN address exists in the network segment where the WAN side address is located, and if so, modifying the local LAN side address, and a mask value determining the capacity of an internet host is invariable.

Description

technical field [0001] The invention relates to the technical field of routers, in particular to a method and device for automatically resolving IP network segment conflicts. Background technique [0002] Dynamic Host Configuration Protocol (DHCP) is a LAN network protocol, using UDP (the abbreviation of UserDatagramProtocol, the Chinese name is User Datagram Protocol) protocol work, there are two main purposes: to the internal network or network service providers automatically Allocate IP (the abbreviation of Internet Protocol network interconnection protocol, the Chinese abbreviation is "Network Association", which is a protocol designed for computer network interconnection and communication) addresses, and give users or internal network administrators as a role for all computers. means of central management. [0003] IP layer network access devices, including base stations, routers, etc., all have WAN ports and LAN ports for message forwarding. The WAN side is connected...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
CPCH04L61/3005
Inventor 张享达
Owner PHICOMM (SHANGHAI) CO LTD
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