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System and method for avoiding network apparatus jamming

A technology of network equipment and virtual local area network, which is applied in the system field of avoiding network equipment congestion. It can solve problems such as congestion, consumption of system resources and bandwidth, and system performance degradation, and achieve the effect of reducing congestion and avoiding bandwidth waste.

Inactive Publication Date: 2006-08-30
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If Chip 2's P 2 Also to Chip 1's P 3 The port sends packets, which will cause unnecessary congestion at this time, resulting in reduced system performance
It can be seen from this that in the network equipment of the distributed system and the super network equipment formed by stacking multiple equipment, the link failure port still consumes the resources and bandwidth of the system

Method used

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  • System and method for avoiding network apparatus jamming
  • System and method for avoiding network apparatus jamming
  • System and method for avoiding network apparatus jamming

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Embodiment Construction

[0026] A system for avoiding network device congestion in the present invention includes a main control board and at least one line card, the at least one line card transmits information with the main control board through an inter-board communication channel, and the at least one line card A link state notification module and a VLAN configuration module reside on the card respectively, and a link state change processing module resides on the main control board; wherein, the link state notification module is used to The port state change information on the card is notified to the main control board; the link state change processing module is used to receive the link state change information notified by the link state notification module and send it to the relevant line card; the VLAN configuration module, according to the slave The VLAN information and port status information delivered by the link status change processing module of the main control board configures the port inf...

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Abstract

This invention discloses a system and a method for avoiding congestion of network devices, in which, a master control board and line cards transmit information via inter-plate communication channels, a link state inform module obtains the state change information of its line card port and synchronizes it to the master control board, a link state alter process module stationed in the master control plate gets the information then sends the VLAN information and port state information to related line cards to delete ports with disabled links from the VLAN and only writes the ports with valid links when writing in the chips.

Description

technical field [0001] The present invention relates to a kind of system that avoids the congestion of network equipment, especially relate to various network equipments such as switchboard and router, this system fundamentally eliminates the consumption of the buffer zone when cross-chip forwarding by changing the VLAN (virtual local area network) configuration of network equipment dynamically, Reduce congestion. The invention also relates to a method for avoiding network equipment congestion by timely deleting the failed port from the corresponding VLAN so as to improve the data packet processing capability of the system. Background technique [0002] Such as figure 1 As shown, in the network equipment of the distributed system and the super network equipment formed by stacking multiple equipment, the system is composed of multiple data processing chips (network processors or ASIC chips) connected to each other, that is, directly connected back to back or through Crossbar...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/28H04L12/801
Inventor 陈晓沈瑞武
Owner ZTE CORP
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