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Method, device and system for discovering network equipment

A network equipment and equipment technology, applied in the computer field, can solve the problems of difficult deployment, affecting equipment detection efficiency, strong limitations, etc., to achieve the effects of convenient deployment, reduced configuration workload, and resource saving

Inactive Publication Date: 2017-02-01
ZHEJIANG YUANWANG INFORMATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The most important thing for device detection and discovery is to accurately obtain the IP address and MAC address information of the access device. The traditional device discovery method usually uses the SNMP service of the switch or logs in to the switch with Telnet / SSH to read the MAC list of the switch. These methods all depend on the characteristics of the switch itself, and have relatively strong limitations. At the same time, deployment is also very difficult, which affects the detection efficiency of device detection.

Method used

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  • Method, device and system for discovering network equipment
  • Method, device and system for discovering network equipment
  • Method, device and system for discovering network equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Based on the above content, this embodiment firstly provides a method for discovering network devices, such as figure 1 shown, including the following steps:

[0048] Step S100, enumerate the IP addresses of the devices to be scanned in the target network.

[0049]The target network refers to a network system with a local computer equipment group, such as an Ethernet or a local area network. The enumerated network generally refers to the local network segment under the large network system. The IP address range of the device to be scanned can be determined according to the IP address of the detection device, and the IP address is generally the IP address of all devices in the local network segment except the detection device address, broadcast address, and gateway address. For example, if the IP of the detection device (generally referred to as this machine) is 192.168.1.100, the mask is 255.255.255.0, and the gateway is 192.168.1.1, then the enumeration range is from...

Embodiment 2

[0066] Different from Embodiment 1, this embodiment provides a method for discovering network devices, such as figure 2 As shown, in addition to including the steps S100 to S103, it also includes steps:

[0067] Step S200, read the MAC list.

[0068] The MAC list may be a historical list read from the system server, and its purpose is to compare it with the current MAC list obtained by currently executing steps S100 to S103, so as to obtain the MAC of the newly added device in the current network device address, and focus on detection and discovery of the above-mentioned newly added devices.

[0069] In other embodiments, the MAC list may also be a current MAC list, and reading the MAC list may provide the system with more sufficient device location resources for subsequent application development.

[0070] This step can be performed after steps S100 to S103 are completed, or can be performed based on previous historical MAC list data. This embodiment does not limit the seq...

Embodiment 3

[0072] Different from Embodiment 1, this embodiment provides a method for discovering network devices, such as image 3 As shown, in addition to including the steps S100 to S103, it also includes steps:

[0073] Step S300, emptying the ARP cache of the detection device.

[0074] The step S300 is performed before enumerating all IP addresses to be scanned in the target network.

[0075] The goal of step S300 is to clear the ARP cache of the historical detection device, so as to re-perform the ARP detection of all devices in the system, so as to improve the detection accuracy.

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Abstract

The invention provides a method, device and system for discovering network equipment. The method comprises the steps of: enumerating equipment IP addresses to be scanned in a target network; broadcasting one target address as a first ARP request message of the equipment IP addresses to be scanned; when the scanned IP addresses exist in an ARP cache of detection equipment, storing the IP addresses and corresponding MAC addresses; and after scanning on all the IP addresses to be scanned in the target network is completed, reporting the stored IP addresses and the MAC addresses thereof to a server. According to the method, device and system provided by the invention, detection efficiency of equipment detection can be improved.

Description

technical field [0001] The technical solution of the present invention relates to the field of computer technology, and in particular to a method for discovering network equipment, a device for discovering network equipment, and a system for discovering network equipment. Background technique [0002] The rapid development of information technology has vigorously promoted the wide application of computer networks and information systems in governments, enterprises and institutions, and provided a solid guarantee for the electronization, automation and informatization of office and production construction. The network environment in the government intranet (public security, procuratorate, court, government, finance and taxation, electric power, etc.) is huge and complex. How to quickly and accurately detect and discover illegally connected devices in the network has become an important task for national security and confidentiality. The most important. [0003] The most impo...

Claims

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Application Information

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IPC IPC(8): H04L29/12H04L12/24
CPCH04L61/103H04L41/12
Inventor 傅如毅沈勇赵拓
Owner ZHEJIANG YUANWANG INFORMATION CO LTD
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