Network topology automatic discovery method of network equipment based on ICMP, TCP and UDP protocols

A technology of network equipment and network topology, which is applied in the field of network communication and can solve problems such as heavy workload and untimely updates

Active Publication Date: 2020-01-07
云南电网有限责任公司德宏供电局
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004]The purpose of this invention is to solve the problems that the existing power system network equipment mainly relies on manual input and maintenance, which has a large workload and is not updated in time, and invents an automatic A network topology automatic discovery method for network devices based on ICMP, TCP, and UDP protocols for discovering, updating and displaying network devices

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  • Network topology automatic discovery method of network equipment based on ICMP, TCP and UDP protocols
  • Network topology automatic discovery method of network equipment based on ICMP, TCP and UDP protocols
  • Network topology automatic discovery method of network equipment based on ICMP, TCP and UDP protocols

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[0040] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0041] Such as Figure 1-4 shown.

[0042] A network topology automatic discovery method for network equipment based on ICMP, TCP, and UDP protocols, which includes equipment survivability detection, equipment information detection, and topology generation and display.

[0043] in:

[0044] 1. Schematic flow chart of the method for equipment survivability detection. figure 1 As shown, it includes:

[0045] Step 101: Enter the network segment / IP range as required.

[0046] Step 102: Use the Ping command of the ICMP protocol to detect the entire network segment / IP range.

[0047] Step 103: Determine whether a Ping response can be obtained, if yes, execute step 109, otherwise execute step 104.

[0048] Step 104: Use the UDP protocol to send a UDP detection message to the target that cannot get a Ping response. For the first detection, you need to se...

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Abstract

The invention discloses a network topology automatic discovery method of network equipment based on ICMP, TCP and UDP protocols. The method is characterized by comprising the following steps: detecting a target network through ICMP and UDP protocols; confirming target device survivability, detecting a link connection condition of survival equipment by using tracert/traceroute (windows/linux platform), and acquiring basic equipment information by using a simple network management protocol, an ARP protocol and a NetBIOS protocol according to a target equipment activity list; and finally, based on the acquired information, performing deep scanning on the survival equipment by using a TCP protocol to acquire more detailed fingerprint information, comparing the acquired information with a fingerprint library to determine detailed information of the target equipment, drawing a complete topological graph by integrating all the acquired information, and displaying the acquired equipment information. According to the invention, the topological structure of the network and the detailed information of the equipment can be accurately, comprehensively and quickly obtained.

Description

technical field [0001] The invention relates to a network communication technology, in particular to a network device search technology with communication function in an electric power system, specifically a network topology automatic discovery method for network devices based on ICMP, TCP and UDP protocols. Background technique [0002] The automatic operation and maintenance and dispatching data system in the power grid environment has fewer network devices and a simpler network structure many years ago, so the amount of data generated is not very large, and the data processing is relatively simple. However, with the construction of power infrastructure, the original operation and maintenance and dispatching data system has been difficult to meet the monitoring and maintenance of the current large number of power equipment. In this environment, adding network equipment has become the most effective way. . The increase of network equipment effectively solves the problem of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26
CPCH04L41/0213H04L41/044H04L41/12H04L43/0811H04L43/10
Inventor 李宏梅杨天国张磊杨舒舒殷文星李文杰段勇唐涛李艳张泽杨连杰
Owner 云南电网有限责任公司德宏供电局
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