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Method and device for diagnosing network fault and network device

A technology for diagnosing equipment and network faults, applied in the field of data communication, can solve problems such as poor applicability, and achieve the effect of simple implementation, simple use, and improved maintenance difficulties

Active Publication Date: 2011-11-16
BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0013] The advantage of this method is that the diagnosis process will not cause any interference to the forwarding of the actual data flow; the disadvantage is that the diagnosis equipment needs to support sFlow technology, since most of the existing network devices do not support the sFlow function, in addition, it is necessary to have an sFlow analyzer The diagnosis can only be implemented with the cooperation of the data collection center, so the applicability of this method is poor

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  • Method and device for diagnosing network fault and network device
  • Method and device for diagnosing network fault and network device

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Embodiment Construction

[0040] Embodiments of the present invention provide a network fault diagnosis method, device, and network equipment. Network fault diagnosis can be performed when the network equipment transmits actual service traffic. It is easy to use and can quickly and effectively locate communication faults between network nodes. The following is combined Accompanying drawing carries out concrete description to the present invention.

[0041] figure 1 A schematic diagram of Embodiment 1 of a network fault diagnosis method of the present invention is given, and the method includes:

[0042] Step S1, performing traffic statistics on the data flow to be diagnosed according to the pre-configured access control list (Access Control List, ACL) rules, and calculating the data flow information of the data flow to be diagnosed on the device to be diagnosed according to the statistical information;

[0043] ACL rules refer to an access control technology provided by network devices, and use packet...

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Abstract

The invention provides a method and a device for diagnosing network fault and a network device, and belongs to the technical field of data communication. The method comprises the following steps: carrying out flow statistics for data flow to be diagnosed according to a preset access control list (ACL) rule, and calculating data flow information of the data flow to be diagnosed on a device to be diagnosed according to the statistic information; and judging whether the forwarding of the data flow to be diagnosed on the device to be diagnosed is accurate according to the data flow information. When the actual service flow is transmitted on the network device, the method and the device can quickly and effectively position the communication fault among network nodes, and are simple to use; andbecause most network devices support the ACL function and the operation and configuration are simple, the method is easy to realize, has strong adaptability, is convenient for a user to learn and master, and improves the difficulty for the user to maintain the network.

Description

technical field [0001] The invention relates to a network fault diagnosis method, device and network equipment, belonging to the technical field of data communication. Background technique [0002] Today, with the rapid development of information technology, people's daily life is more and more dependent on data communication networks, and the severity of the impact of network communication failures is increasing. This impact will increase with the duration of the failure. Therefore, a diagnostic method that can quickly and accurately locate and eliminate network faults when a network communication fault occurs has increasingly become the focus of attention of network equipment users. [0003] A type of fault phenomenon that often needs to be solved in the network communication link is the cross-network communication fault between two network nodes. There are two main fault phenomena, one is that the communication between two nodes is completely suspended; the other is that ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L12/56H04L45/28
Inventor 陈宇
Owner BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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