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Message sending method and network equipment

A network device and technology for sending messages, applied in data exchange networks, advanced technologies, digital transmission systems, etc., can solve problems such as data packet loss, and achieve the effect of reducing the number of lost packets and the number of lost packets

Active Publication Date: 2019-08-23
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, this application sets the MAC address of the media access control in the first preset ARP entry as the MAC address of the second network device, then when the second network device receives the data forwarded by the first network device, it performs three-layer data forwarding , to overcome the defect of data packet loss caused by the failure of the second network device to perform Layer 2 data forwarding during the fault recovery process

Method used

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  • Message sending method and network equipment
  • Message sending method and network equipment
  • Message sending method and network equipment

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Embodiment Construction

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0044] Before describing the technical solutions of the embodiments of the present application, the technical scenario of the present application will be described first. The technical solutions of each embodiment of the present application are applied in the following technical scenarios.

[0045] The network structure applying the M-LAG technology includes more than two inter-device link aggregation devices and user-side devices connected to the two or more inter-device ...

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Abstract

The invention provides a message sending method and network equipment. In the application, a first network device of a cross-device link aggregation group is connected with a user side device througha first port, and is connected with a second network device of the cross-device link aggregation group through a second port. The first network device configures a first preset ARP table entry for theuser side equipment when both the first port and the second port do not have a fault.; when the first port breaks down, the message of which the destination is the user side equipment can be forwarded to the second network equipment directly by utilizing the second port and the first preset ARP table item; and then the second network device forwards the message to the user side device, and the first network device does not need to wait for learning the ARP table item of the user side device, so that the data packet loss time and quantity when the first port fails are effectively reduced.

Description

technical field [0001] The present application relates to the field of computer and communication technologies, and in particular to a method and network equipment for sending messages. Background technique [0002] Multichassis Link Aggregation Group (M-LAG,) is a cross-device Layer 2 port virtualization technology. This technology performs cross-device chaining between the user-side device and the two devices that form the active-active gateway. Road aggregation improves service reliability of user-side devices. The user-side device may be a relay device with a data forwarding function, or may be a lower-layer user device. [0003] Such as figure 1 Shown in the figure is the network topology using the M-LAG technology. Layer 3 switch A and layer 3 switch B are inter-device link aggregation devices, and they form a dual-active gateway. Server E and server D are user-side devices, and both are dual-homed to switch A and switch B. Both switch A and switch B provide M-LAG...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/709H04L12/741H04L29/12H04L45/24H04L45/243H04L45/28H04L45/74
CPCH04L61/103H04L45/74H04L45/245H04L45/22H04L45/28H04L49/557Y02D30/50H04L2101/622
Inventor 姬玲玲李久勇
Owner HUAWEI TECH CO LTD
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