Link aggregation control protocol (LACP) link switching and data transmission method and apparatus thereof

A technology of link switching and link aggregation, which is applied in the field of communication, can solve problems such as link disconnection and "dropout", and achieve the effect of smooth transition
CN102364892AActive Publication Date: 2012-02-29HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
HUAWEI TECH CO LTD
Publication Date
2012-02-29

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Abstract

Embodiments of the invention provide a link aggregation control protocol (LACP) link switching method and an apparatus thereof. The method comprises the following steps: monitoring state changes of interfaces in an LACP link gathering group; when the interfaces which are in a active state are monitored to change the states, determining whether a number of the interfaces which are in a movable state in the gathering group is less than a preset minimum active link number; if the number of the interfaces is less than the preset minimum active link number, maintaining the states of the N interfaces in the interfaces which change the states to be the active state so that the number of the interfaces which are in the active state in the gathering group is larger than or equal to the preset minimum active link number, wherein the N is a natural number and the N is less than or equal to the number of the interfaces which change the states in the interfaces which are in the active state in thegathering group; when the interfaces which are in an inactive state in the gathering group are monitored to change the states, adjusting the states of the M interfaces in the N interfaces which keep in the active state into the inactive state, wherein the M is the natural number and the M is less than or equal to the N.
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Description

technical field

[0001] The invention relates to the field of communication technology, in particular to a link aggregation control protocol LACP link switching and data transmission method and device. Background technique

[0002] LACP (Link Aggregation Control Protocol, Link Aggregation Control Protocol) is a protocol used to implement dynamic link aggregation and de-aggregation. The role of aggregation is to increase transmission bandwidth and enhance system reliability. Under the control of the LACP protocol, multiple links (member links) are aggregated into a logical link with higher bandwidth. This logical link is called an aggregation group, and the link containing the aggregation group is an LACP link. The number of member links aggregated in an aggregation group is usually determined according to the bandwidth requirements of services.

[0003] Generally speaking, the number of active interfaces at a single end of the member links of the aggregation group should at ...

Claims

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