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Method for realizing multiple network device link aggregation

A network equipment and link technology, applied in baseband system components, electrical components, transmission systems, etc., can solve the problem of not supporting port aggregation on multiple network equipment, and achieve the effect of increasing availability and increasing access bandwidth

Inactive Publication Date: 2006-11-08
XI AN JIAOTONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The disadvantage of standard link aggregation is that it only supports the aggregation of network ports on a single network device, and does not support the aggregation of ports on multiple network devices.

Method used

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  • Method for realizing multiple network device link aggregation
  • Method for realizing multiple network device link aggregation
  • Method for realizing multiple network device link aggregation

Examples

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Embodiment Construction

[0032] refer to figure 1 As shown, A and B are two network devices connected by multiple links gathered together, A and B can be any one of switches, routers and hosts, n is the network port on the two devices, The dotted boxes in A and B represent the link groups in them. A and B respectively add multiple local network ports to the link group to bind multiple links between them.

[0033] refer to figure 2 As shown in the figure, the situation of a single device to multiple devices in a multi-device aggregation is described in the figure. A1..Am is multiple devices at one end of the aggregation link, B is the device at the other end of the aggregation link, n is the network port on each device, including the network of multiple devices A1..Am at one end of the aggregation link The dotted box on the port represents the multi-device link group whose links are aggregated at this end, and the dotted box on device B at the other end of the aggregated link represents the local l...

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PUM

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Abstract

The present invention discloses multiple network equipment trunking implementation method. Said method includes extending partial terminal mark in calibrated link concentration into global terminal mark among multiple network equipment, selecting number of network ports in multiple network equipment, in each network equipment starting up trunking facilities having global terminal mark, configuring same IP and MAC address, same system priority and different equipment mark number address for virtual network port in each equipment, configuring same key value for said selected network port, using said selected network port as virtual network port slave equipment etc step; to congregate multiple network equipment network port. The present invention also can be realized by ASIC, and used as function module of switchboard and multiple function network card. The present invention is a IEEE 802.3 AD standard based specified trunking, being a important extending of standard trunking.

Description

technical field [0001] The invention relates to the fields of computers and communications, in particular to a method for realizing link aggregation among multiple network devices. technical background [0002] Link aggregation (Link Aggregation) is a method for bundling multiple physical links between two network devices to form a logical link. Due to historical reasons, link aggregation is also called port trunking (Port Trunking) or Ethernet channel (Ether Channel). The name of link aggregation comes from its definition in the IEEE802.3ad standard. [0003] In the link aggregation system, there are two functional modules of link aggregation control and link data processing. The link aggregation control module is used to control the setting of the link group, such as controlling the addition and deletion of links in the link group, etc. It marks the system where the link group is located, a A specific link group and a certain link in a link group. It regards links with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L25/02H04L45/74
Inventor 伍卫国张辉董小社钱德沛王恩东胡雷钧王守昊
Owner XI AN JIAOTONG UNIV
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