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Method and device for processing message

A processing method and a technology of a processing device, which are applied in the field of communication, can solve the problems of increasing the implementation complexity and cost of an access switch, and the large size of a MAC forwarding table, etc.

Active Publication Date: 2012-03-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing access switch realizes packet forwarding and message source MAC address learning, due to the flooding and learning mechanism of the access switch, the access switch will learn the IP addresses of all servers and VMs in the Layer 2 domain. The MAC address makes the MAC forwarding table supported by the access switch larger, increasing the implementation complexity and cost of the access switch

Method used

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  • Method and device for processing message
  • Method and device for processing message
  • Method and device for processing message

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] In order to make the advantages of the technical solution of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] This embodiment provides a message processing method, such as figure 1 As shown, the method includes:

[0025] 101. The access switch receives the packet.

[0026] 102. When the access switch does not receive the message from the slave...

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Abstract

The embodiment of the invention discloses a method and a device for processing a message, through which not only the message forwarding and the study of the message source MAC (Media Access Control) realized are realized, but also the specification of an MAC forwarding table of an access switch is reduced, and both the cost and the realization complexity of the access switch are reduced. When receiving the message, the access switch finds an export corresponding to the message in the MAC forwarding table through an objective MAC address of the message; when the export is absent in the MAC forwarding table of the access switch, the access switch sends the message to a master port of a collection switch through a slave port; and when the export corresponding to the objective MAC address of the message is absent in the MAC forwarding table of the collection switch, the access switch receives the message sent by the collection switch and broadcasts the message in a broadcast domain. The invention is suitable for the communication field.

Description

technical field [0001] The invention relates to the communication field, in particular to a message processing method and device. Background technique [0002] Server virtualization requires the data center to provide a large layer 2 network technology: VM (Virtual Machine, Virtual Machine) online migration can make business uninterrupted. The online migration of the VM requires that the VM's IP (Internet Protocol, the protocol for interconnection between networks) and the MAC address of the media access control layer remain unchanged, which requires that the migration range of the virtual machine in the data center is a Layer 2 network. In order to make full use of the resources of physical servers and uniformly provide data center resource pools, this layer-2 network will cover a wide range of servers. [0003] At present, packets between servers covered by the network are generally implemented through switches. When a switch receives a message, it first learns the sourc...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/12H04L12/18H04L45/74H04L45/16
Inventor 潘灏涛伍孝敏
Owner HUAWEI TECH CO LTD
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