Link aggregation method and device

A technology of link aggregation and aggregation group, which is applied in the field of communication, can solve the problems of bandwidth waste, failure to consider the aggregation rate, and insufficient utilization of bandwidth resources, etc., to achieve the effect of ensuring consistency and high aggregation rate

Inactive Publication Date: 2014-06-04
NEW H3C TECH CO LTD
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Problems solved by technology

Moreover, in the current network, the port rates are diversified. When adding different port rates to the same aggregation group at the same time, according to the existin

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  • Link aggregation method and device
  • Link aggregation method and device

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Embodiment Construction

[0028] Aiming at the problems raised in the background technology, the embodiment of the present invention proposes a link aggregation method, which groups the ports that can be currently aggregated by the device according to the port rate, and calculates the maximum aggregation rate of each port combination after grouping , select the port combination with the highest aggregation rate as the port aggregation group for link aggregation, so that the aggregation rate reaches the maximum; at the same time, mark the aggregateable ports of other port combinations other than the port combination with the highest aggregation rate as non-aggregatable and notify the peer device , to ensure the consistency of the selected ports at both ends of the link aggregation device.

[0029] Various embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

[0030] see figure 2 , in an exemplary embodiment of the present inventi...

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Abstract

The invention provides a link aggregation method which is applied to a home terminal device. The home terminal device is connected to an opposite terminal device through multiple chains. The method includes the following steps that current aggregation ports of the home terminal device are grouped according to the port rate and the aggregation rates of all the port combinations after grouping are calculated; the port rate in the same port combination is the same; in all the port combinations, aggregation ports in the port combinations apart from the port combination with the largest aggregation rate are marked to be unable to perform aggregation and the opposite terminal device is informed; a reference port is selected from the port combination with the largest aggregation rate, according to the reference port, other ports in the current aggregation ports are chosen, and link aggregation is carried out between the other ports and the opposite terminal device to form an aggregation group. By means of the link aggregation method, the aggregation rate can reach the maximum and consistence of the chosen ports at the two ends of a device which carries out link aggregation is ensured.

Description

technical field [0001] The present invention relates to the technical field of communication, and in particular to a link aggregation method and device. Background technique [0002] Link aggregation is to increase link bandwidth by bundling multiple Ethernet physical links together into a logical link, and these bundled links can be backed up by mutual links, which can improve the chain road reliability. See figure 1 ,exist figure 1 The two devices, Device A and Device, are converted into one logical link by bundling three physical links, which increases link bandwidth and reliability. [0003] In dynamic link aggregation, the two ends of the equipment running the LACP (Link Aggregation Control Protocol, Link Aggregation Control Protocol) protocol send LACPDU (Link Aggregation Control Protocol Data Unit, Link Aggregation Control Protocol Data Unit) messages to each other. Exchange information about link aggregation with the peer device. After the negotiation is successf...

Claims

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Application Information

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IPC IPC(8): H04L12/891H04L47/41
Inventor 汪萌
Owner NEW H3C TECH CO LTD
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