Method, device and system of finding network topology automatically

Abstract

The invention provides a method, a device and a system of finding a network topology automatically, wherein, ,the method comprises the steps of using a network topology automatic finding terminal agent to obtain the network type of an IP message; if the network type of the IP message is a straight connection network, carrying out a request immediate response detection on a purpose IP address of the IP message to obtain a first detection result; if the network type of the IP message is a route network, carrying out a route detection on the purpose IP address of the IP message to obtain the IP address of a router between a local end and an opposite end; carrying out request immediate response detections on the IP address of the router and the purpose address of the IP message respectively to obtain a second detection result; reporting the first and second detection results to a network topology finding analysis server to making the network topology finding analysis server draw a network topology picture after the network topology finding analysis server receives the first detection result or the second detection result.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of network management, and in particular to a method, device and system for automatically discovering network topology. Background technique [0002] The main purpose of network topology discovery is to obtain and maintain the existence information of network nodes and the connection relationship information between them, and draw the entire network topology map on this basis. Network managers can quickly locate faulty nodes on the basis of network topology diagrams. [0003] In the prior art, there is a method for automatically discovering network topology based on Simple Network Management Protocol (SNMP, Simple Network Management Protocol). First, the existing subnet list is obtained through the default gateway router, and then all active devices in the specified subnet are traversed. And use the system community name library to find the community name of the device, if found, u...

AI Technical Summary

Problems solved by technology

[0009] 1. The SNMP-based network topology automatic discovery method has special configuration requirements for the router. The router needs to support querying the SNMP MIB library of routing table entries, and requires the topology discovery program to know the structure of this MIB. There is a system incompatibility, which leads to this The generality of this scheme is not strong;

[0010] 2. The method of automatic network topology discovery based on SNMP needs to open the SNMP query interface, but the routers in the actual network may not open it, because there are many routers, and it may be difficult to open all of them, resulting in the poor versatility of this solution;

[0011] 3. The method of automatic discovery of network topology based on SNMP To use SNMP, you need to know the SNMP password of the router, so opening these router passwords has a great impact on network security, and there is a greater security risk

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