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Method for generating forwarding table item, method for sending message, network equipment and system

A technology of network equipment and forwarding table items, which is applied in the field of communication and can solve problems such as loop problems, network congestion, and waste of network resources

Pending Publication Date: 2021-08-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some network devices in special positions in the network use backup forwarding paths to forward packets, which are more likely to cause loop problems, such as network devices connected to the access network and the backbone network
[0005] Therefore, how to avoid the waste of network resources or network congestion caused by loop problems is a technical problem that needs to be solved at present.

Method used

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  • Method for generating forwarding table item, method for sending message, network equipment and system
  • Method for generating forwarding table item, method for sending message, network equipment and system
  • Method for generating forwarding table item, method for sending message, network equipment and system

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Embodiment Construction

[0081] Before introducing the specific technical solution, first introduce the key terms involved in the embodiment of the present application.

[0082] Detailed route: Identify the IP address of a network device or the route of the address of the network segment to which the network device belongs. Specifically, add a mask to the IP address of the network device, or add a mask to the address of the network segment to which the IP address belongs. For example, if the IP address of a network device is A2:2::2 / 128, the detailed route corresponding to this IP address can be the route corresponding to A2:2::2 / 128, or the route corresponding to A2:2:: / 96 , where the address A2:2:: / 96 is the address of the network segment to which the address A2:2::2 / 128 belongs.

[0083] Summary Route: The route obtained by summarizing multiple detailed routes that can be aggregated together is a summary route. For example, a detailed route A1:8:: / 96 corresponding to the destination address A1:8::...

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Abstract

The invention discloses a method for generating a forwarding table item, a method for sending a message, network equipment and a system, which can realize that specified network equipment does not use a standby forwarding path to forward the message, thereby reducing the technical problems of network resource waste or network congestion caused by a loop problem to a certain extent. The method comprises the following steps that: a first network device obtains routing information published by a second network device; the first network device confirms that the routing information published by the second network device is matched with a convergence route stored by the first network device, and generates a forwarding table item corresponding to the convergence route according to the segment identifier of the second network device, the forwarding table item comprising the segment identifier of the second network device, a forwarding path corresponding to the forwarding table item passes through the second network equipment.

Description

[0001] This application claims the priority of the Chinese patent application submitted to the State Intellectual Property Office on February 21, 2020, the application number is 202010106211.9, and the invention title is "a method, network node and system for table entry generation", and it is claimed in 2020 The priority of a Chinese patent application filed with the State Intellectual Property Office on April 15, 202010295809.7, and the title of the invention is "A Method, Network Node and System for Message Forwarding", the entire contents of which are incorporated by reference in this application middle. technical field [0002] The present application relates to the communication field, in particular to a method for generating a forwarding entry, a method for sending a message, a network device and a system. Background technique [0003] In order to improve the reliability of network transmission, in some network scenarios, network devices forward packets through the ac...

Claims

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Application Information

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IPC IPC(8): H04L12/721H04L12/947H04L29/06H04L45/28H04L45/24H04L45/50H04L45/74
CPCH04L45/22H04L45/18H04L45/28H04L45/247H04L45/50H04L45/34H04L45/54H04L45/02H04L45/74H04L45/12H04L45/655H04L45/26H04L45/741
Inventor 肖亚群文慧智陈闯古锐邱军胡志波廖婷
Owner HUAWEI TECH CO LTD
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