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Method and system for enabling VXLAN (Virtual eXtensible LAN) message to traverse NAT (Network Address Translation) equipment and storage medium

A message and device technology, applied in the field of NAT device to XLAN message forwarding, can solve the problem that VXLAN messages cannot pass through NAT devices

Inactive Publication Date: 2019-03-29
RAISECOM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0016] In order to solve the above technical problems, the present invention provides a method, system, and storage medium for VXLAN packets to traverse NAT devices, which can avoid the problem that VXLAN packets sent by public network side devices cannot traverse NAT devices

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  • Method and system for enabling VXLAN (Virtual eXtensible LAN) message to traverse NAT (Network Address Translation) equipment and storage medium
  • Method and system for enabling VXLAN (Virtual eXtensible LAN) message to traverse NAT (Network Address Translation) equipment and storage medium
  • Method and system for enabling VXLAN (Virtual eXtensible LAN) message to traverse NAT (Network Address Translation) equipment and storage medium

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Embodiment Construction

[0081]In order to make the object, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0082] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0083] The embodiment of the present invention provides a method for a VXLAN message to traverse a NAT device, such as image 3 As shown, the method includes:

[0084] S301 receives the first VXLAN message sent from the source VXLAN tunnel terminal VTEP on...

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Abstract

The invention discloses a method and system for enabling a VXLAN (Virtual eXtensible LAN) message to traverse NAT (Network Address Translation) equipment. The method comprises the steps of: receivinga first VXLAN message which is from a source VTEP (VXLAN Tunnel End Point) on a private network side and is sent to a target VTEP on a public network side; if an NAT rule matched with the first VXLANmessage exists, after carrying out public network conversion on a source IP address and a source port number of the first VXLAN message, sending to the target VTEP; receiving a second VXLAN message which is from the target VTEP and is sent to the source VTEP; and after determining that the second VXLAN message is matched with the NAT rule, after carrying out private network conversion on a targetIP address and a target port number of the second VXLAN message, sending back to the source VTEP. The invention can avoid the problem that the VXLAN message sent from equipment on the public network side cannot traverse the NAT equipment.

Description

technical field [0001] The invention relates to a technology for forwarding XLAN messages from a NAT device, in particular to a method, a system and a storage medium for a VXLAN message to pass through a NAT device. Background technique [0002] VXLAN (Virtual eXtensible LAN, Extensible Virtual Local Area Network) is a technology that uses the encapsulation form of "MAC inUDP" to encapsulate Layer 2 packets into a Layer 3 network. It provides a Layer 2 interconnection for distributed users. method, and can provide business isolation for different tenants. With the rapid development of virtualization technology, VXLAN technology has been widely used. [0003] VTEP (VXLAN Tunnel End Point, VXLAN tunnel terminal) is used as the termination point of the VXLAN tunnel to perform VXLAN encapsulation and decapsulation operations on data, such as figure 1 As shown; Terminal A sends the message to VTEPA, VTEPA encapsulates the message in VXLAN, and passes through the network without...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L29/12
CPCH04L12/4633H04L12/4641H04L61/2592
Inventor 焦利涛俞惠牛丽贾文涛
Owner RAISECOM TECH
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