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Network connection failure detection device and method

A technology for fault detection and network connection. It is applied in data exchange networks, digital transmission systems, electrical components, etc. It can solve the problems of complex LLDP interaction protocols and difficult to observe intuitively, and achieve the effect of fast and efficient investigation.

Active Publication Date: 2015-07-15
ZHEJIANG UNIVIEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the LLDP interaction protocol is complex, and the results of the interaction have to be displayed through channels such as the web or the command line, which is not easy to observe intuitively.

Method used

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  • Network connection failure detection device and method
  • Network connection failure detection device and method

Examples

Experimental program
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Embodiment 1

[0039] Embodiment 1. The switching chip of the switch has a control function, such as a central processing unit CPU. For this kind of switch, the analysis module and control module in the device of this embodiment are all served by the switch chip of the switch, so the circuit diagram of the existing switch can be directly reused. The specific related circuits of the Link light are as follows: image 3 As shown, no hardware circuit changes are required.

Embodiment 2

[0040] Embodiment 2. The switching chip of the switch is relatively low-level, without a control function, that is, without a processor. At this time, a control chip or single-chip microcomputer of equal cost needs to be connected in front of the Link light circuit. Such as Figure 4 As shown, the control signal line of the single-chip microcomputer is connected to the control pin of the switch chip, and the switching chip is used as the analysis module to receive and analyze the network diagnosis message, and the added control chip or single-chip microcomputer is used as the control module to notify the added single-chip or single-chip The control chip controls the LED to blink.

[0041] For the network camera, the circuit of its LED indicator light does not need to be changed, and the existing circuit can be used, because the data processing chip of the existing network camera generally has a CPU, and the CPU is used as the analysis module and the control module to control ...

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Abstract

The invention discloses a network connection failure detection device and method. The device comprises an analysis module, a control module and a display module, wherein the analysis module is used for receiving and analyzing a network diagnosis message broadcast in a network, analyzing a first control parameter carried by the network diagnosis message and sending the analyzed first control parameter to the control module, and the control module generates a control signal according to the received first control parameter and controls the display module to conduct display according to the first control parameter. The invention discloses the concrete implementation method simultaneously. By means of the device and method, on the premise of not increasing hardware cost, network failures can be checked over rapidly and efficiently, and on the premise of not influencing running of an existing system, the situation that the failures exist on which link circuit or which section of the link circuit can be positioned out rapidly.

Description

technical field [0001] The invention belongs to the technical field of network equipment fault detection, and in particular relates to a network connection fault detection device and method. Background technique [0002] At present, video surveillance systems based on IP networks are gradually becoming the mainstream of the security surveillance market. With the continuous expansion of video surveillance services, based on flexible IP networking technology and rich network resources, the construction of video surveillance systems continues to develop. A large number of front-end video Collection devices are deployed in every corner of society. With the increasingly widespread deployment, the potential occurrence rate of network failures (such as network cable failures, crystal head failures) is also increasing, causing many problems in the operation guarantee of video surveillance systems. For example, most users or project implementers have no technical background. When pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L12/24
Inventor 周迪王军
Owner ZHEJIANG UNIVIEW TECH CO LTD
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