Message forwarding method and device for VXLAN gateway

A gateway and message technology, which is applied in the field of network communication, can solve the problems of network board and interface board traffic congestion, cannot accurately determine the interface board, etc., and achieve the effect of avoiding the traffic congestion problem.

Active Publication Date: 2016-08-03
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the above description, the network board depends on the outbound interface obtained from the table lookup to determine the interface board used to forward the message. The interface board is the interface board used to forward the message; and when the outbound interface of the forwarded message is obtained through table lookup, it is the outbound interface of multiple equal-cost routes across the interface board, which means how many outbound interf...

Method used

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  • Message forwarding method and device for VXLAN gateway
  • Message forwarding method and device for VXLAN gateway
  • Message forwarding method and device for VXLAN gateway

Examples

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Embodiment 1

[0033] by image 3 The networking shown is an example, in image 3 In the VLAN, there are 5 physical machines (PM: Physical Machine), which are marked as PM3_1 to PM3_5, and there are 5 virtual machines (VM: Virtual Machine) in the VXLAN, which are marked as VM3_1 to VM3_5. The VXLAN gateway is connected between the VLAN and the VXLAN. The VXLAN gateway includes the main control board, interface board, and network board. The main control board is not involved in this application, image 3 not shown. image 3 Take the VXLAN gateway as an example where there is only one network board, which is recorded as network board 3_1. image 3 Take the VXLAN gateway with three interface boards as an example, image 3 The three interface boards are recorded as interface board 3_1 to interface board 3_3, and there is a chip on each of interface board 3_1 to interface board 3_3, which are respectively recorded as chip 3_1 to chip 3_3, and the chip identifications of chip 3_1 to chip 3_3 a...

Embodiment 2

[0059] by Figure 4 The networking shown is an example, in Figure 4 , the VXLAN gateway is connected between the first VXLAN and the second VXLAN. The VNID of the first VXLAN is 100, and VM5_1 to VM5_5 are devices in the first VXLAN; the VNID of the second VXLAN is 200, and VM4_1 to VM4_5 are devices in the second VXLAN. A VXLAN gateway includes a main control board, interface boards, and network boards. The main control board is not involved in this application, Figure 4 not shown. Figure 4 Take the VXLAN gateway as an example where only one network board exists, and the only network board that exists is recorded as network board 4_1. Figure 4 Take the VXLAN gateway with three interface boards as an example, Figure 4 The three interface boards are recorded as interface board 4_1 to interface board 4_3, and there is a chip on the interface board 4_1 to interface board 4_3, which are respectively recorded as chip 4_1 to chip 4_3, and the chip identifications of chip 4...

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Abstract

The invention provides a message forwarding method and a device for a VXLAN gateway. According to the technical scheme of the invention, when a web board receives a data message sent from an interface board, the web board searches an ARP table item matched with the IP address of the inner-layer category of the data message. Based on a next skip-list item index matched with a next skip-list item in the ARP table item, an output interface of the matched next skip-list item is determined as an aggregation group ID. Based on the aggregation group ID, the table items of the aggregation group are matched, and one member port is selected among all matched table items of the aggregation group. According to the selected member port, the data message is sent out. Therefore, the data message can be uniformly shared and forwarded by different interface boards. Interface boards for forwarding the data message are correctly determined. The traffic congestion problem of the web board due to the uncertainty of finally selected interface boards in the prior art can be avoided.

Description

technical field [0001] The present application relates to network communication technology, in particular to a message forwarding method and device for a Virtual Extensible Local Area Network (VXLAN: VirtualeXtensibleLocalAccessNetwork) gateway. Background technique [0002] Deploying a VXLAN gateway in the network enables the virtual machine (VM: Virtual Machine) in the VXLAN site to communicate with the external network or VMs in other VXLAN networks through the VXLAN gateway. [0003] The VXLAN gateway consists of a main control board, network boards, and interface boards. The number of main control boards, network boards, and interface boards is not specifically limited. This application does not involve the improvement of the main control board, and does not describe the main control board, but only describes the network board and the interface board in the VXLAN gateway. figure 1 Shown is the structure of a VXLAN gateway device, where the device consists of a network ...

Claims

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Application Information

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IPC IPC(8): H04L12/46H04L12/741H04L12/803H04L29/12H04L45/74
CPCH04L12/4641H04L45/745H04L47/125H04L61/103
Inventor 谢瑞涛敖襄桥
Owner NEW H3C TECH CO LTD
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