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mlag dual-homing access IP network link load balancing method

A technology of IP network and link load, applied in the direction of data exchange network, network traffic/resource management, digital transmission system, etc., to reduce the complexity of network configuration and operation and maintenance and software development costs, reduce overhead, and realize gateway links The effect of load balancing

Active Publication Date: 2020-04-24
NO 32 RES INST OF CHINA ELECTRONICS TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this solution is that in the MLAG dual-homing IP network environment, the devices at both ends of the peers need to run the VRRP protocol, and the VRRP protocol is modified, which increases the cost of software development and the complexity of network configuration and operation and maintenance.

Method used

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  • mlag dual-homing access IP network link load balancing method
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  • mlag dual-homing access IP network link load balancing method

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0027] Such as Figure 3 to Figure 4 As shown, the present invention provides a kind of MLAG dual-homing access IP network link load balancing method, and it comprises following two situations:

[0028] Situation 1, when the gateway has no abnormalities and operates normally, the following steps are included:

[0029] Step A one, enable the layer-3 routing interface on the first converter and set the IP address IP-A, which corresponds to a first MAC (Media Access Control, Media Access Control) ad...

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Abstract

The present invention provides a kind of MLAG dual-homing access IP network link load balancing method, and it comprises the following two situations: situation one, the situation of normal operation of gateway without exception, comprises the following steps: step one, in the first converter Enable the three-layer routing interface and set the IP address IP-A, which corresponds to a MAC address MAC-A, and distribute the network segment route of IP-A to the network side on the first converter, and form an ECMP path to the network side; steps Two, enable the layer-3 routing interface on the second converter and configure the IP address IP-A, which corresponds to a MAC address MAC-B, and distribute the network segment route of IP-A to the network side on the second converter, for The network side forms an ECMP path and the like. The present invention solves the gateway link load balance when MLAG is dual-homed to the IP network in a very simple way, avoids the introduction of new control protocols when MLAG is dual-homed to the IP network, and reduces the complexity of network configuration and operation and maintenance. The cost of software development reduces the overhead of Peerlink links when MLAG is dual-homing to an IP network.

Description

technical field [0001] The invention relates to a load balancing method, in particular to a MLAG dual-homing access IP network link load balancing method. Background technique [0002] MLAG (Multi-Chassis LAG, multi-chassis link aggregation) technology is a cross-device link aggregation technology. The main application scenario is the dual-homing access scenario. The basic idea of ​​MLAG technology is to allow two access switches to In the same state, link aggregation negotiation is performed with the connected device. From the perspective of the connected device, it is as if a link aggregation relationship has been established with a device. This mechanism for cross-device link aggregation can realize link aggregation between multiple devices. MLAG is a logical link aggregation group. The entries at both ends of the peer device need to be consistent. Both ends synchronize entries (such as figure 1 ). [0003] When MLAG is dual-homing to an IP network, the dual-homing dev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/08H04L12/709H04L45/243
CPCH04L45/245H04W28/08
Inventor 李素芳张川龙刘高锦许锋
Owner NO 32 RES INST OF CHINA ELECTRONICS TECH GRP