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Message broadcasting method and device based on VXLAN tunnel

A message broadcasting and tunneling technology, applied in the field of network communication, can solve the problems of unable to realize ECMP load sharing, unable to realize equal-cost multipath, etc.

Active Publication Date: 2018-01-05
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When broadcasting packets through a VXLAN tunnel, if the VXLAN tunnel has multiple equal-cost tunnel next hops, VTEP only fixedly designates one of the tunnel next-hop broadcasts, and cannot implement Equal Cost Multiple Path (ECMP: Equal Cost Multiple Path) load sharing
Similar to broadcast packets, VTEP only fixedly designates one of the tunnels as the next hop to broadcast, and ECMP load sharing cannot be realized.

Method used

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  • Message broadcasting method and device based on VXLAN tunnel
  • Message broadcasting method and device based on VXLAN tunnel
  • Message broadcasting method and device based on VXLAN tunnel

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] see image 3 , image 3 The flow chart of the method provided by the present invention. This process applies to VTEP. Such as image 3 As shown, the process may include the following steps:

[0024] Step 301, receiving a message.

[0025] Step 302, when it is determined that the message is broadcast through the VXLAN tunnel between this VTEP and the remote VTEP, determine the VXLAN ID bound to the VSI ID corresponding to the message, and load from the Selecting a tunnel next hop from the N equal-cost tunnel next hops of the VXLAN tunnel, and broadcasting packets through the selected tunnel next hop.

[0026] In this application, the above-mentioned VSI ID is the VSI ID bound to the port that receives the message. Wherein, the port re...

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Abstract

The application provides a message broadcasting method and device based on a VXLAN tunnel. According to the application, a tunnel next hop is selected from N equivalent tunnel next hops of the VXLAN tunnel according to a uniform load sharing mode, and thus the process that different broadcast messages are uniformly shared to each tunnel next hop of the VXLAN tunnel can be finally achieved, and theload sharing of ECMPs of the N equivalent tunnel next hops in the VXLAN tunnel can be realized.

Description

technical field [0001] The present application relates to network communication technology, and in particular to a message broadcasting method and device based on a Virtual Extended Local Area Network (VXLAN: VirtualeXtensible Local Area Network) tunnel. Background technique [0002] VXLAN encapsulates Layer 2 packets with Layer 3 protocols to realize the expansion of Layer 2 networks within the scope of Layer 3. figure 1 The VXLAN network model is shown, and the VXLAN network includes: [0003] VXLAN Tunnel Endpoints (VTEP: VXLAN Tunnel Endpoints), the edge device of the VXLAN network, is the starting point and the ending point of the VXLAN tunnel. The packet is decapsulated and processed. [0004] VXLAN Network Identifier (VNI: VXLAN Network Identifier) ​​is a user identifier similar to a VLAN ID. A VNI represents a tenant, and virtual machines belonging to different VNIs cannot directly communicate at Layer 2. [0005] A VXLAN tunnel is used to transmit VXLAN-encapsula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/741H04L12/803H04L45/74
Inventor 程剑锋
Owner NEW H3C TECH CO LTD
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