Load sharing balance method and device for physical ports, and link aggregation system

A technology of physical port and load balancing, applied in the field of communication, can solve the problems of insufficient utilization of physical port bandwidth and uneven data forwarding, and achieve the effect of balanced and fully utilized data forwarding
CN104683255AActive Publication Date: 2015-06-03浙江杭海新城控股集团有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
浙江杭海新城控股集团有限公司
Publication Date
2015-06-03

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Abstract

The embodiment of the invention discloses a load sharing balance method and device for physical ports, and a link aggregation system. The load sharing balance method comprises the following steps: determining that load sharing among physical ports on other positions is uniform through a position of the physical port affecting load sharing in a forwarding table in a link aggregation group through first Hash calculation; then determining the specific position and range of the physical port for forwarding data through secondary Hash calculation, so as to ensure that the physical port which is selected from the determined physical ports in the forwarding table is used for forwarding data in the data forwarding process, thus ensuring load share balance of the flow of each physical port in the link aggregation group added in the data forwarding process. The purposes of data forwarding balance and sufficient utilization of bandwidth of the physical ports are achieved.
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Description

technical field

[0001] The present invention relates to the technical field of communication, and more specifically, relates to a method, device and link aggregation system for balanced load sharing of physical ports. Background technique

[0002] Link aggregation refers to a method of bundling a group of physical ports together as a logical interface to increase bandwidth, also known as a multi-port load balancing group. When a link aggregation group is established between two devices, multiple physical ports between the devices can be added to the same link aggregation group according to the existing route selection method. Assuming that a link aggregation group of switch A can support simultaneous forwarding of up to 8 physical ports, when three physical ports (numbered 1, 2, and 3) between switch A and switch B join the link aggregation group, The port distribution of the forwarding table of the link aggregation group is as follows. From the port distribution of the for...

Claims

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