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Stacking system and aggregation group establishing device

A stacking system and aggregation group technology, applied in transmission systems, digital transmission systems, advanced technologies, etc., can solve problems such as message sending and wasted forwarding bandwidth

Active Publication Date: 2018-05-29
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In practical applications, there are often more PE devices that are stacked horizontally and share a cascading port. Therefore, packets cannot be sent directly from the CB device to the target PE device. Multiple forwarding is required to reach the target PE device, thus wasting a lot of forwarding bandwidth

Method used

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  • Stacking system and aggregation group establishing device
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  • Stacking system and aggregation group establishing device

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the present disclosure, not all of them. the embodiment. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present disclosure.

[0032] In the existing stacking system, when the CB device forwards the unicast message to the PE device, it may forward one or more times among the horizontally stacked PE devices before reaching the target PE device, which wastes the forwarding bandwidth. This disclosure implements The example provides a stacking system and an aggregation group establishment device.

[0033]...

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Abstract

The invention provides a stacking system and an aggregation group establishment device. The stacking system comprises CB devices and two or more PE devices which form a lateral stacking subsystem. According to the stacking system and the aggregation group establishment device, the CB devices are provided with sub-aggregation groups which are established according to the MAC addresses of the PE devices and physical ports connected with the PE devices; each sub-aggregation group comprises the correspondence between the MAC address of a PE device and a physical port; when a unicast packet needs to be forwarded to a PE device, a CB device selects a port from the sub-aggregation group corresponding to the PE device to send the unicast packet; the forwarding path of the unicast packet is the shortest; bandwidth is saved; and the transmission efficiency is improved.

Description

technical field [0001] The present disclosure relates to the technical field of the Internet, in particular to a stacking system and an aggregation group establishment device. Background technique [0002] IRF (Intelligent Resilient Framework) is a technology that virtualizes multiple devices into one device for management and use. IRF technology can connect multiple devices through IRF ports to form a virtual logical device. The user manages this virtual device to realize the management of all physical devices in the virtual device. In the current situation of a large number of network access devices, it is an important development trend to realize a single management domain, reduce network layers, and manage flat functions through a virtualized access network. The CB-PE networking mode of the secondary stack system is a typical networking mode that can meet the above requirements. [0003] In a two-layer stacking system, CB (Controlling Bridge, control bridge) devices a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L12/775H04L45/74H04L45/58
CPCH04L45/583H04L45/74H04L45/745Y02D30/00
Inventor 彭剑远
Owner NEW H3C TECH CO LTD
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