VXLAN message forwarding method and device

A message forwarding and message header technology, applied in the field of communication, can solve the problems of cumbersome forwarding process and low forwarding efficiency, and achieve the effect of optimizing the forwarding process and improving forwarding efficiency

Active Publication Date: 2017-01-11
HANGZHOU DPTECH TECH
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Problems solved by technology

[0004] In view of this, the present application provides a VXLAN message forwarding method and device, which are used to solve the problems in the prior art that the forwarding process of VTEP equipment forwarding VXLAN messages is relatively cumbersome and the forwarding efficiency is not high

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  • VXLAN message forwarding method and device
  • VXLAN message forwarding method and device

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned purposes, features and advantages of the embodiments of the present invention more obvious and understandable, the following describes the existing technical solutions and the present invention in conjunction with the accompanying drawings. The technical solutions in the embodiments of the invention are described in further detail.

[0024] see figure 1 , a flow chart of a VXLAN message forwarding method in the prior art shown in the present application, the technical solution is applied to a VTEP device; the method includes the following steps:

[0025] Step 101: After receiving the unicast message sent from the first VM connected to the local VTEP device to the second VM connected to the peer VTEP device, according to the MAC address of the second VM, search the pre-saved MAC table, Obtain a MAC entry co...

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Abstract

The invention provides a VXLAN message forwarding method and device. The method comprises the steps that after a single-broadcast message sent by a first VM to a second VM is received, a preset MAC table is searched for a corresponding MAC table item according to the MAC address of the second VM; when the corresponding MAC table item is sought, the single-broadcast message is capsulated with a VXLAN message header based on the MAC table item, wherein the VXLAN message header carries a second interface index and the VLAN ID of the second VM; the capsulated single-broadcast message is sent to opposite-end VTEP equipment through a VXLAN tunnel so that the single-broadcast message can be sent to the second VM after the single-broadcast message is decapsulated through the opposite-end VTEP equipment. In the embodiment, two times of MAC table searching in the VXLAN message forwarding process are changed into one time of MAC table searching, the VXLAN message forwarding process is optimized, and forwarding efficiency is improved.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a VXLAN packet forwarding method and device. Background technique [0002] With the rapid development of cloud computing, the degree of virtualization of data centers is getting higher and higher, and the requirements for physical networks are becoming more and more stringent. For example, TOR switches need to support large-scale MAC address tables; 4094 VLANs (Virtual Local Area Network, virtual Local area network) cannot divide a large number of virtual machines; it is necessary to support multi-tenant network isolation, etc. It is these requirements that make the overlay network technology VXLAN (Virtual Extensible Local Area Network, Virtual Extensible Local Area Network) emerge as the times require. [0003] In practical applications, a VM (Virtual Machine, virtual machine) sends a message to a VTEP (VXLAN Tunneling End Point, VXLAN tunnel end point) de...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L12/46H04L45/74
CPCH04L12/4633H04L12/4641H04L45/74
Inventor 王洋王琳
Owner HANGZHOU DPTECH TECH
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