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Method and device for establishing a tunnel

A tunnel establishment and tunnel technology, applied in the communication field, can solve problems such as service exception, VTEP device 2 cannot send, and VXLAN tunnel cannot be established, so as to ensure the correct establishment.

Active Publication Date: 2021-04-27
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, if host A is a silent host, that is, host A will not actively send ARP packets after going online, it will not trigger the process of VTEP device 1 sending a routing message to VTEP device 2, so that VTEP device 2 cannot establish a VXLAN tunnel
Since no VXLAN tunnel has been established between VTEP device 2 and VTEP device 1, VTEP device 2 cannot send the packet whose destination device is host A to VTEP device 1, and the packet cannot be sent to host A correctly. An exception occurs

Method used

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  • Method and device for establishing a tunnel
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  • Method and device for establishing a tunnel

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Embodiment Construction

[0049] The terminology used in this application is for the purpose of describing specific embodiments only, not to limit the application. As used in this application and the claims, the singular forms "a", "the" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

[0050] It should be understood that although the terms first, second, third, etc. may be used in this application to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present application, first information may also be called second information, and similarly, second information may also be called first information. Dependin...

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Abstract

The present application provides a method and device for establishing a tunnel. The method includes: receiving a first route notification message sent by a second edge device, the first route notification message including a tunnel encapsulation type; the first route notification message is specifically: Ethernet automatic discovery routing message; or, Ethernet segment routing message; if the tunnel encapsulation type is a preset type, then establish a tunnel with the second edge device, one end of the tunnel is the first an edge device, and the other end is the second edge device. Through the technical solution of the present application, a tunnel establishment method can be newly added.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a tunnel establishment method and device. Background technique [0002] Ethernet Virtual Private Network (EVPN) is a Layer 2 Virtual Private Network (Virtual Private Network, VPN) technology. Its control plane uses Multi Protocol-Border Gateway Protocol (Multi Protocol-Border Gateway Protocol, MP-BGP) to advertise routing information, while the data plane uses Virtual eXtensible Local Area Network (Virtual eXtensible Local Area Network, VXLAN) encapsulation to forward packets. [0003] In an EVPN network, multiple hosts and multiple scalable virtual local area network tunnel endpoint (VXLAN Tunnel End Point, VTEP) devices can be included. The VTEP device can be used as the edge device of the EVPN network, and the processing related to VXLAN is performed on the VTEP device. [0004] To enable VTEP devices to perform VXLAN processing, a VXLAN tunnel needs to b...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/715H04L12/741H04L45/74
CPCH04L12/4633H04L12/4641H04L45/04H04L45/74
Inventor 雷磊黄李伟
Owner XINHUASAN INFORMATION TECH CO LTD