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A stacking system and its method for preventing traffic loss

A stacking system and traffic technology, applied in the stacking field, can solve problems such as traffic loss

Active Publication Date: 2021-08-24
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] but, figure 1 In the existing method shown, the upstream device 14 or the downstream device 15 first closes the port, and then refreshes the member ports in the aggregated port entry, so that before the refresh of the member ports in the aggregated port entry, once the closed port is selected Used to send traffic to the stack system 10, it will cause traffic loss

Method used

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  • A stacking system and its method for preventing traffic loss
  • A stacking system and its method for preventing traffic loss
  • A stacking system and its method for preventing traffic loss

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Embodiment Construction

[0018] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0019] Such as figure 2 As shown, the stacking system 20 includes a member device 21 as a master device and member devices 22 and 23 as slave devices. The master device 21 is connected to the slave devices 22 and 23 through stacking links. An upstream link aggregation group (link aggregation group) 20U of the stacking system 20 is connected to an upstream device 24 , and a downstream link aggregation group 20D of the stacking system 20 is connected to a downstream device.

[0020] The ports 241-243 of the upstream device 24 are member ports of the link aggregation group where the upstream device 24 is connected to the stacking system 20; A member port of an aggregated port.

[0021] figure 2 Among them, the port 23U of the slave dev...

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PUM

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Abstract

The invention provides a stacking system and a method for preventing traffic loss. The stacking system lowers the routing priority of the link connecting the upstream device and the downstream device between the member devices to be upgraded, and at the same time reduces the The routing priority of the link is lowered, so that the upstream and downstream devices switch the traffic destined for the stack system to other member devices of the stack system, and also switch the traffic forwarded by the member device to be upgraded to other member devices to avoid traffic loss.

Description

technical field [0001] The invention relates to stacking technology, in particular to a stacking system and a method for flow loss thereof. Background technique [0002] ISSU (In-Service Software Upgrade, non-interrupted service upgrade) is an upgrade method that can ensure that the service is not interrupted or the interruption time is short during the equipment upgrade process. [0003] When each member device of the stack system is upgraded through the ISSU function, the entire upgrade process needs to be completed by restarting and running the upgraded software. [0004] figure 1 Shown is a schematic diagram of traffic loss in the manner of an upgraded stacking system. The stacking system 10 includes a member device 11 as a master device and two member devices 12 and 13 as slave devices. The member devices 11-13 are connected through stacking links, and the stacking system 10 is respectively connected with the upstream device 14 and the downstream device 15 through a l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24
CPCH04L41/082H04L41/0836
Inventor 陈军杨正广
Owner XINHUASAN INFORMATION TECH CO LTD