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Inter-switch link binding method, system and switch thereof

A technology of link bundling and switches, which is applied in the field of data communication, can solve the problems that cannot be achieved, and cannot realize the independence of management and maintenance of multiple switches, and achieve the effects of reducing forwarding delay, improving data forwarding efficiency, and increasing complexity

Active Publication Date: 2014-09-24
CHINA MOBILE GROUP SICHUAN
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing link bundling protocols cannot achieve this function
[0011] Therefore, there is no reliable switch link bundling solution in the prior art that can realize link bundling between multiple switches, and can not realize the independence of management and maintenance of multiple switches after bundling. For the control of load balancing There are also big problems

Method used

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  • Inter-switch link binding method, system and switch thereof
  • Inter-switch link binding method, system and switch thereof

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Embodiment Construction

[0036] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, the embodiments of the present invention are not limited thereto.

[0037] The principle of the embodiment of the present invention is to mark and group each port in the switch, and different groups correspond to different link bundles. Then the labels and grouping information of such ports are exchanged between the switches through hello packets, thereby sharing the grouping information. In this way, each switch saves group information, and can flexibly control the group to which each port of itself belongs. In the whole cluster, each port of the same group adopts a unified standard link bundling protocol to operate to realize link bundling.

[0038] The embodiment of the present invention is essentially an improvement to the existing switch link binding mechanism, and is applicable to the link binding of each port of two or more swi...

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Abstract

The invention provides an inter-switch link binding method, a system and a switch thereof. The inter-switch link binding method comprises the steps of: marking and grouping bound ports of the link by each switch; exchanging the grouping information of the ports among the switches through unicast timing interaction information; performing unified standard link binding protocol operation by the ports in a same group and establishing binding with an opposite end. Compared with the prior art, the inter-switch link binding method of the invention has advantages of: settling a restriction of binding among switches in a one-to-one manner according to a traditional link binding technique, improving fault tolerance and flexibility of the network, ensuring operation and management independence of the switch, and realizing optimal operability in the process of arranging the scheduling data.

Description

technical field [0001] The invention relates to the technical field of data communication, in particular to a link binding method, system and switch across switches. Background technique [0002] With the development of data communication, the requirements for ports are getting higher and higher, and a large number of ports are required to be bound or aggregated. Therefore, the physical port group PORT CHANNEL technology has emerged. The main limitation of existing PORT CHANNEL technology is that it is inherently limited in the number of connections that can be performed between two identical devices. General PORT CHANNEL technology does not allow members of PORT CHANNEL to connect to different switches. There can only be a one-to-one relationship between devices. LACP is used to form channels. Before converging them into PORT CHANNEL, it will confirm that the peers connected to each connection are the same device. [0003] To implement one-to-many link bundling, there ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/803H04L12/931H04L12/713H04L45/586
Inventor 曾键陈刚刘三苏郑水华周晓伟吕昊
Owner CHINA MOBILE GROUP SICHUAN
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