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Message forwarding method and device

A packet forwarding and tunneling packet technology, applied in the field of communication, can solve the problem of incompatibility between VXLAN and Hub-Spoke networking modes

Active Publication Date: 2018-01-05
NEW H3C TECH CO LTD
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Problems solved by technology

[0004] In view of this, this application provides a message forwarding method and device to solve the problem of incompatibility between VXLAN and Hub-Spoke networking modes

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  • Message forwarding method and device

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[0022] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0023] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended 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...

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Abstract

The application provides a message forwarding method and device which are applied to Hub-Spoke networking. The networking comprises a Hub-VTEP (Hub VXLAN Tunnel End Point) and a plurality of Spoke-VTEPs, and the Hub-VTEP is connected with the Spoke-VTEPs by VXLAN (Virtual eXtensible Local Area Network) tunnels. The method comprises the steps that: the Hub-VTEP receives a tunnel message sent by a source Spoke-VTEP, and records an incoming interface of the tunnel message on local equipment; and by other interfaces on the local equipment except for the incoming interface, forwarding the tunnel message to other Spoke-VTEPs besides the source Spoke-VTEP. By utilizing method, in a Hub-Spoke networking mode based on a VXLAN, not only can messages among all the Spoke-VTEPs be uniformly managed, but also intercommunication and two-layer data exchange among the Spoke-VTEPs can be normally completed, and excessive distribution of traffic and a loop cannot exist.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a message forwarding method and device. Background technique [0002] VXLAN (Virtual eXtensible Local Area Network) is a Layer 2 VPN (Virtual Private Network) technology based on IP (Internet Protocol) network and adopting "MAC in UDP" encapsulation. A VXLAN network uses 24 bits to identify a VXLAN network, which is called a VXLAN ID. In a standard VXLAN network, each VTEP (VXLAN Tunnel End Point, VXLAN tunnel end point) establishes a fully-connected VXLAN tunnel to realize the Layer 2 interconnection of each VTEP. Due to the existence of the fully connected topology, the VXLAN network must adopt the split horizon technology to avoid packet loops and broadcast storms. That is, after a VTEP receives a packet from a VXLAN tunnel, it will not flood it to other VXLAN tunnels. The split horizon technology ensures that in a fully connected networking environment,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/911
Inventor 曲进任俊梅姚民
Owner NEW H3C TECH CO LTD
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