Association method and device between virtual extensible local area networks (VXLAN) and tunnel

A technology of tunneling and current configuration, applied in the field of network communication, which can solve problems such as heavy workload and error-prone

Active Publication Date: 2014-12-24
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, association is performed through manual configuration. In this way, if the number of VXLAN and TUNNEL on the VTEP is large, the workload of configuring the association between VXLAN and TUNNEL will be heavy and error-prone.

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  • Association method and device between virtual extensible local area networks (VXLAN) and tunnel
  • Association method and device between virtual extensible local area networks (VXLAN) and tunnel
  • Association method and device between virtual extensible local area networks (VXLAN) and tunnel

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Embodiment Construction

[0020] In order to solve the problem in the prior art that the manual configuration of VXLAN and TUNNEL is associated with a heavy workload and is prone to errors, the following embodiments of this application provide a method for associating VXLAN and tunnels, and a method that can be applied device.

[0021] The method for associating a VXLAN with a tunnel in this embodiment of the present application may be performed by any VTEP in the VXLAN network. After any VTEP configures VXLAN and tunnels on the device, it will send a notification message to the peer VTEP of the tunnel through the tunnel for each configured tunnel. All currently configured VXLAN VNIs. In addition, later, when the VXLAN configured on this device changes, for example, a new VXLAN is added or a VXLAN is reduced, at this time, for each configured tunnel, the tunnel will be sent to the peer VTEP of the tunnel. Notification packets of all VXLAN VNIs currently configured on the device.

[0022] In this way...

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Abstract

The invention discloses an association method and device between virtual extensible local area networks (VXLAN) and a tunnel. The method is applied to virtual tunnel end points (VTEP) in the VXLANs and includes the steps that through the tunnel configured on the device, a notification message which is sent by the opposite end VTEP of the tunnel is received and carries virtual network identifiers (VNI) of all the VXLANs currently configured on the opposite end VTEP; for each VXLAN currently configured on the device, if the same VXLAN exists in the VXLANs indicated by the VNIs carried by the received notification message, and the VXLAN on the device is not yet associated with the tunnel, the VXLAN on the device is associated with the tunnel. The workloads of configuration can be reduced, the configuration complexity of the VXLANs can be lowered, configuration accuracy can be improved, the VXLANs are easy to manage, and maintaining and operating are convenient.

Description

technical field [0001] The present application relates to the technical field of network communication, and in particular to a method and device for associating a VXLAN with a tunnel. Background technique [0002] VXLAN (Virtual eXtensible Local Area Network, Virtual Extensible Local Area Network) is an Overlay (overlap) network technology, using MAC (Media Access Control, Media Access Control) in UDP (User Datagram Protocol, User Datagram Protocol) method Encapsulate, that is, encapsulate the original message in a UDP message. [0003] VTEP (VXLAN Tunnel End Point, VXLAN Tunnel Terminal) is the edge device of the VXLAN network, which can be implemented by a physical switch or a virtual switch. VTEPs establish tunnels (TUNNEL) to traverse the three-layer network for data communication. The VXLAN network is uniquely identified by a VNI (VXLAN Network Identifier, VXLAN network identifier), and the length of the VNI is 24 bits (bits). [0004] Since the VXLAN network needs to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46
CPCH04L12/4633H04L12/4641H04L12/4679H04L12/4683
Inventor 羊俊曹辉杜凤山郭威
Owner NEW H3C TECH CO LTD
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