The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 21, 2022

Filed:

Sep. 01, 2020
Applicant:

Huawei Technologies Co., Ltd., Shenzhen, CN;

Inventors:

Congjuan Li, Nanjing, CN;

Feng Li, Nanjing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 41/0677 (2022.01); H04L 41/12 (2022.01); H04L 41/00 (2022.01); H04L 69/324 (2022.01);
U.S. Cl.
CPC ...
H04L 41/0677 (2013.01); H04L 41/00 (2013.01); H04L 41/12 (2013.01); H04L 69/324 (2013.01);
Abstract

A service fault locating method and apparatus for precisely locating a network fault problem in a multi-layer OAM architecture network. The method includes: receiving a service fault locating request message; determining, an IP, and an IP, that a service fault is between a first layer-3 device and a second layer-3 device; obtaining a first network topology between the first layer-3 device and the second layer-3 device; determining a first forwarding path of the service packet between the first layer-3 device and the second layer-3 device according to the first network topology; configuring a forwarding entry of a forwarding device in the first forwarding path, and triggering the first layer-3 device to generate an extended layer-2 OAM packet; and obtaining a first path parameter of the first forwarding path, and determining a specific location of the service fault according to the first path parameter.


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