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Method for transferring message in virtual extensible local area network and aggregation switch

A technology for converging switches and extending local area networks, applied in the field of methods and converging switches

Active Publication Date: 2016-12-14
RUIJIE NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] In the existing VxLAN network, the terminal is directly connected to the VTEP device, and the VTEP device is responsible for VxLAN encapsulation (adding the VxLAN header) to ordinary messages, such as messages from office computers, and then forwarding. The disadvantage is that it needs to completely change the current In order to support VxLAN, all access, aggregation, and core switches need to be upgraded to support VxLAN, that is, to upgrade the entire network equipment to support VxLAN packets.

Method used

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  • Method for transferring message in virtual extensible local area network and aggregation switch
  • Method for transferring message in virtual extensible local area network and aggregation switch
  • Method for transferring message in virtual extensible local area network and aggregation switch

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Embodiment Construction

[0041] 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 creative efforts fall within the protection scope of the present invention.

[0042] An embodiment of the present invention provides a method for forwarding packets in a virtual extensible local area network (VxLAN), which is applied to a three-layer network architecture including an access switch, an aggregation switch, and a core switch, wherein the aggregation switch and the core switch constitute For the first channel for forwarding messages, the first tunnel termination point VTEP device is connected to the convergence switch and the sec...

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Abstract

The invention provides a method for transferring messages in a virtual extensible local area network. An aggregation switch and a core switch forms a first channel for forwarding the messages, first tunnel end point (VTEP) equipment is respectively connected with the aggregation switch and a second VTEP, and the second VTEP equipment is connected with the core switch. The aggregation switch, the first VTEP equipment, the second VTEP equipment and the core switch form a second channel for forwarding the messages. The aggregation switch receives a first message sent by a terminal through an accessing switch, and whether the first message contains a first VLAN identifier is determined. If the first message does not contains the first VLAN identifier, the first channel is determined to forward the first message to an external network. If the first message contains the first VLAN identifier, the second channel is determined to forward the first message to the external network. The invention further discloses an aggregation switch, so that VxLAN and non-VxLAN networks are compatible.

Description

technical field [0001] The invention relates to the technical field of data communication, in particular to a method for forwarding messages in a virtual scalable local area network and an aggregation switch. Background technique [0002] VLAN (Virtual Local Area Network), or virtual local area network, is an emerging technology that realizes virtual workgroups by logically rather than physically dividing devices in a local area network into network segments. In 1999, IEEE promulgated the 802.1Q protocol standard draft to standardize VLAN implementation. [0003] VLAN technology allows network administrators to logically divide a physical LAN into different broadcast domains (or virtual LANs, or VLANs). same properties. But because it is divided logically rather than physically, each workstation in the same VLAN does not need to be placed in the same physical space, that is, these workstations do not necessarily belong to the same physical LAN segment. The broadcast and u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/911H04L12/46H04L12/931
CPCH04L12/4633H04L12/4645H04L47/825H04L49/354
Inventor 张祥辉
Owner RUIJIE NETWORKS CO LTD
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