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Path detection method and device, network equipment and computer readable storage medium

A network device and path detection technology, applied in the field of data communication, can solve problems such as traffic cannot be transmitted normally

Pending Publication Date: 2022-04-12
MAIPU COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiment of the present application is to provide a path detection method, device, network device and computer-readable storage medium, which can ensure the normal creation of BFD sessions and improve the problem that traffic cannot be transmitted normally due to incorrect creation of BFD sessions

Method used

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  • Path detection method and device, network equipment and computer readable storage medium
  • Path detection method and device, network equipment and computer readable storage medium
  • Path detection method and device, network equipment and computer readable storage medium

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Embodiment approach

[0078] As an optional implementation, the method may also include:

[0079] When the communication between the device and the next-hop network device is interrupted, a response message is sent to the upstream network device, and the response message is used to indicate that the connectivity of the label switching path passed by the request message is abnormal .

[0080] Understandably, when the device is not the destination device of the request message and cannot send the request message to the next-hop network device, it means that there is an abnormality in the communication between the device and the next-hop network device. At this time, the device can send a response message to the ingress network device to inform that there is an abnormal communication between the device and the next-hop network device. In this way, it is convenient for maintenance personnel to perform device maintenance based on the abnormal problem located.

[0081] As an optional implementation, the...

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Abstract

The invention provides a path detection method and device, network equipment and a computer readable storage medium, and relates to the technical field of data communication. The method comprises the following steps: receiving a request message which is sent by upstream network equipment and is used for creating a BFD (Bidirectional Forwarding Detection) session; judging whether target equipment of the request message is the same as the exit end network equipment; and when the destination equipment of the request message is the same as the exit end network equipment, creating a BFD session which is used for detecting the connectivity of a label switching path through which the request message passes. Therefore, the accuracy of creating the BFD session can be improved, the reliability of path detection and the reliability of traffic data transmission are further improved, and the situation that the traffic is switched to a fault path and is discarded due to the fact that the BFD session is mistakenly created due to the fact that the target equipment of the message is different from the network equipment but the path has a fault is avoided.

Description

technical field [0001] The present application relates to the technical field of data communication, and in particular, relates to a path detection method, device, network device, and computer-readable storage medium. Background technique [0002] MPLS (Multi-Protocol Label Switching, Multi-Protocol Label Switching) is a new generation IP high-speed backbone network switching standard, which uses label switching to forward packets. MPLS OAM (Operation, Administration And Maintenance, operation management and maintenance) is a tool for detecting LSP (Label Switch Path, label switching path) faults in the MPLS network. At present, there are many MPLS-based VPN (Virtual Private Network, virtual private network) services in the carrier network. In order to improve the reliability of the VPN service, two active and standby paths are usually formed during network deployment. will switch the traffic to the alternate path. [0003] At present, when the main path is detected to be ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L43/0811H04L67/141H04L45/50
Inventor 黄浩
Owner MAIPU COMM TECH CO LTD
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