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Network connection method, device, equipment and medium

A technology of network connection and equipment, applied in the direction of network interconnection, data exchange network, data exchange through path configuration, etc.

Active Publication Date: 2021-03-16
RUIJIE NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a network connection method, device, equipment and medium to solve the problem of how to ensure that no tunnel conflict occurs in the VXLAN tunnel for communication, so as to ensure the correct forwarding of messages

Method used

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  • Network connection method, device, equipment and medium
  • Network connection method, device, equipment and medium
  • Network connection method, device, equipment and medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] figure 1 A schematic diagram of a network connection process provided by an embodiment of the present invention, the process includes the following steps:

[0065] S101: If the first virtual extended local network tunnel termination node VTEP device supporting the Ethernet virtual private network EVPN protocol establishes a first virtual extensible local area network VXLAN tunnel with the second VTEP device, determine the first tunnel identifier of the first VXLAN tunnel information.

[0066] The network connection method provided by the embodiment of the present invention is applied to a virtual extended local network tunnel termination point (VXLAN Tunnel End Point, VTEP) device, and the VETP device supports the Ethernet Virtual Private Network (Ethernet Virtual Private Network, EVPN) protocol.

[0067] Wherein, the VTEP device can use the User Datagram Protocol (User Datagram Protocol, UDP) to encapsulate the data generated by the virtual machine (Virtual Machine, V...

Embodiment 2

[0079] In order to resolve tunnel conflicts and ensure the correct forwarding of packets, on the basis of the above-mentioned embodiments, in the embodiment of the present invention, if there is a second tunnel identifier that is the same as the first tunnel identifier information in the effective tunnel list information, the method also includes:

[0080] adding the first tunnel identification information to a cached tunnel list saved locally;

[0081] When it is identified that the tunnel identification information in the locally stored cached tunnel list and / or the effective tunnel list has been modified, and it is determined that the locally stored effective tunnel list does not have the same third tunnel identification information corresponding to the second VTEP device, For the fourth tunnel identification information, save the third tunnel identification information in the effective tunnel list, and communicate with the second VTEP device based on the first VXLAN tunnel...

Embodiment 3

[0089] In order to resolve tunnel conflicts and ensure the correct forwarding of packets, on the basis of the above-mentioned embodiments, in the embodiment of the present invention, when it is recognized that the tunnel identification information in the locally stored tunnel list has been modified, and it is determined that the local When there is no fourth tunnel identification information identical to the third tunnel identification information corresponding to the second VTEP device in the saved effective tunnel list, the third tunnel identification information is moved to the effective tunnel list, and based on The communication between the first VXLAN tunnel corresponding to the third tunnel identification information and the second VTEP device includes:

[0090] If it is identified that the first tunnel identification information in the cached tunnel list is modified to the third tunnel identification information, and the third tunnel identification information is differ...

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Abstract

The invention discloses a network connection method, device, equipment and a medium, which are used for solving the problem of how to ensure that tunnel conflict does not occur in a communication VXLAN tunnel so as to ensure correct forwarding of a message. According to the embodiment of the invention, the first VXLAN tunnel can be established between the first VTEP equipment and the second VTEP equipment, and when the second tunnel identification information which is the same as the first tunnel identification information of the first VXLAN tunnel does not exist in the effective tunnel list,communication with the second VETP equipment can be carried out based on the first VXLAN tunnel, so that when communicated with the second VETP equipment, it is ensured that the first VXLAN tunnel used for communication has no tunnel conflict, and correct forwarding of the message is ensured.

Description

technical field [0001] The present invention relates to the technical field of network connection, in particular to a network connection method, device, equipment and medium. Background technique [0002] Virtual Extended Local Network Tunnel End Point (VXLAN Tunnel End Point, VTEP) devices in data centers that support the Ethernet Virtual Private Network (Ethernet Virtual Private Network, EVPN) protocol can discover each other through the EVPN protocol, and automatically generate dynamic VXLAN tunnels . VTEP devices that support the EVPN protocol can communicate through dynamic VXLAN tunnels. [0003] Static VXLAN tunnels need to be manually configured between VTEP devices in data centers that do not support the EVPN protocol. VTEP devices that do not support the EVPN protocol can communicate through static VXLAN tunnels. [0004] If you want to communicate between a VTEP device that supports the EVPN protocol and a VTEP device that does not support the EVPN protocol, yo...

Claims

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Application Information

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IPC IPC(8): H04L12/46
CPCH04L12/4633H04L12/4641
Inventor 林伟
Owner RUIJIE NETWORKS CO LTD
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