Diagnostic method for network fault and its device

A technology for network faults and diagnosis methods, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problems of high cost, long positioning time, inaccurate positioning, etc., to reduce the inconvenience of operation, reduce misjudgment, The effect of improving the speed of troubleshooting

Inactive Publication Date: 2008-12-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides a network fault diagnosis method and its device to solve the problems of inaccurate positioning, long positioning time and high cost in diagnosing network faults in the prior art

Method used

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  • Diagnostic method for network fault and its device
  • Diagnostic method for network fault and its device
  • Diagnostic method for network fault and its device

Examples

Experimental program
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Embodiment Construction

[0039] From the aspect of broadband network Internet access service operation, the entire service channel can be divided into PC, PC-Customer Premise Equipment (CPE), CPE, CPE-Digital Subscriber Line Access Module (DSLAM), DSLAM, DSLAM-Broadband Access Server (BAS ), BAS, BAS-intetnet server and internet server links, all these links may have problems, the management scope of the local telecom network operator is between CPE and BAS, and the present invention covers PC-CPE, CPE, CPE-DSLAM, DSLAM , DSLAM-BAS, BAS, BAS-internet server these links fault diagnosis and location, the present invention does not diagnose the fault of PC and internet server itself. The CPE refers to the terminal equipment used in the DSL network, including ADSL CPE, VDSLCPE, G.SHDSL CPE and so on.

[0040] refer to figure 1 As shown, the protocol description of ordinary peer-to-peer protocol (PPP) dial-up users during the dial-up process and the Internet access process is as follows (Note: PPP dial-up...

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Abstract

This invention discloses a diagnosis method for network fault including: receiving and recording fault report of users, judging if the user session is normal, if not, it judges that the user line is faulty, otherwise, it starts up a connectedness test order to the network side from CPE corresponding to the user to judge if the connection of the protocol layer is normal, if not, it determines that the protocol layer connectedness is faulty, otherwise, it simulates the protocol and operates or requires to send it to the network side at the CPE to determine if the protocol is normal based on the operation. This invention also discloses a device for diagnosing network fault.

Description

technical field [0001] The invention relates to broadband network technology, in particular to a fault diagnosis method and device of a Digital Subscriber Line (DSL) broadband network. Background technique [0002] Users accessing the DSL broadband network need to go through DSL customer premise equipment (CPE), digital subscriber line access module (DSLAM) (CPE and DSLAM are DSL access equipment), broadband access server (BAS), DNS server (DNS Server) When a user encounters a network failure, multiple functional departments (billing center, network management center, measurement room, ground bureau, and outside line team, etc.) need to coordinate and cooperate to find and eliminate the failure. [0003] At present, for DSL network troubleshooting, telecom operators generally use the broadband test board solution to test the line in the measurement room, and use the network management to support the line grabbing function to locate line faults. If it is not a line failure, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L12/24
Inventor 胡旻
Owner HUAWEI TECH CO LTD
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