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Loop detection method, device, equipment and computer-readable storage medium

A loop detection and loop technology, applied in the field of communications, can solve the problems of inability to detect network loops, packet loss, bandwidth full, etc., to increase the number of packets sent, improve the probability of receiving, and effectively network loops in a timely manner.

Active Publication Date: 2022-04-26
HANGZHOU DPTECH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when a network loop occurs, the traffic in the network may fully occupy the bandwidth of the network device. At this time, the loop detection packet may be directly dropped by the network device due to bandwidth problems, resulting in the failure to detect the network loop.

Method used

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  • Loop detection method, device, equipment and computer-readable storage medium
  • Loop detection method, device, equipment and computer-readable storage medium
  • Loop detection method, device, equipment and computer-readable storage medium

Examples

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Embodiment Construction

[0024] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0025] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The present application provides a loop detection method, the method comprising: if it is predicted that there is a loop on the target device, sending a detection message on at least one device port of the target device to detect the loop on the target device; If no loop is detected, further detection is required, that is, when the bandwidth utilization rate of at least one device port on the target device is greater than the first bandwidth threshold, and the duration of this phenomenon is greater than the first preset duration, the target device Increase the number of probe packets sent on at least one port of the device to detect loops on the target device. It can be seen that the embodiment of the present application will monitor the traffic status of the target device. When the bandwidth utilization rate of the device port is high, the number of packets sent by the detection message can be increased to increase the probability that the detection message can be received by the target device, so as to be timely and effective. found network loops.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a loop detection method, device, equipment and computer-readable storage medium. Background technique [0002] In a large-scale LAN network environment, network loops are likely to occur due to improper network device configuration, network device hardware damage, network topology connection errors, and network encountering virus attacks. Network loops will cause network devices to continuously copy and forward broadcast, multicast, and unknown unicast packets, causing network paralysis and affecting normal services. [0003] At present, in order to detect network loops, a network device can actively send a detection message, and when the network device receives the detection message sent by itself, it will recognize that a network loop exists on the network device. However, when a network loop occurs, the traffic in the network may fully occupy the bandwidt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L43/50H04L43/12
CPCH04L43/50H04L43/12
Inventor 安兆哲王富涛
Owner HANGZHOU DPTECH TECH
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