Method and device for automatically solving secondary route IP conflict in DHCP

Abstract

The invention discloses a method and a device for automatically solving a secondary route IP (Internet Protocol) conflict in a DHCP (Dynamic Host Configuration Protocol). The method comprises the steps that an IP address and a subnetwork mask which are allocated to a secondary router by upper equipment are subjected to AND operation; an end value WANQ (Wide Area Network Q) is obtained; an IP address and a subnetwork mask of the secondary router are subjected to AND operation; an end value LANQ (Local Area Network Q) is obtained; whether the WANQ is equal to the LANQ is judged; if so, a network number of the IP address of the secondary router is changed, and the secondary router is restarted; and if not, a request message is sent to the upper equipment. The method and the device can automatically help a user to detect whether an IP address of an LAN (Local Area Network) port of the secondary router conflicts with an IP address of a WAN (Wide Area Network) port of the secondary router, can automatically modify the IP address of the LAN port to different network segments and eliminate the IP conflict if the conflict is detected, or automatically pop up a window to prompt the user to perform automatic modification operation on the secondary router with the IP conflict only by clicking OK, and are very convenient. Compared with a common router which cannot give any prompt processing method at all, the method and the device have operation practicability.

Description

technical field [0001] The invention relates to the technical field of routers, in particular to a method and device for automatically resolving IP conflicts in secondary routing in DHCP. Background technique [0002] Dynamic Host Configuration Protocol (DHCP) is a LAN network protocol, using UDP (the abbreviation of User Datagram Protocol, the Chinese name is User Datagram Protocol) protocol, there are two main purposes: for the internal network or The network service provider automatically assigns IP (the abbreviation of the Internet Protocol network interconnection protocol, referred to as "Network Association" in Chinese, which is a protocol designed for computer networks to communicate with each other) addresses to users or internal network management as a means of centrally administering all computers. [0003] At present, most of the routers on the market are set to the same router IP network segment (like 192.168.0.1, etc.) when they leave the factory, and customers...

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

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