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Method for realizing rapid switching of link aggregation

A technology of link aggregation and fast switching, which is applied in the field of network communication and can solve problems such as inability to perceive faults and service interruptions

Inactive Publication Date: 2016-11-09
ANHUI WANTONG POSTS & TELECOMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the router cannot detect the fault because the port is always in the UP state, resulting in service interruption.

Method used

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  • Method for realizing rapid switching of link aggregation
  • Method for realizing rapid switching of link aggregation
  • Method for realizing rapid switching of link aggregation

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Experimental program
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Embodiment Construction

[0032] A link aggregation fast switching method of the present invention will be described below with reference to the accompanying drawings.

[0033] like image 3 As shown, the traffic statistics process in the present invention includes:

[0034] (1) Start the timer;

[0035] (2) The interface management module obtains interface traffic information from the interface;

[0036] (3) At the end of a timing period, the traffic utilization rate of the interface egress in the current timer timing period is counted.

[0037] like Figure 4 As shown, the link switching process in the present invention includes:

[0038] (1) Obtain the interface egress traffic utilization value within the timer timing period from the interface management module

[0039] (2) Obtain the threshold from the interface configuration

[0040] (3) Determine whether the current egress traffic utilization value is less than the threshold

[0041] (4) If it is less than the threshold, link aggregation p...

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Abstract

The invention relates to the network communication technology, and particularly to a method for realizing rapid switching of link aggregation. The current link aggregation has a service interruption problem caused by fault imperceptibility in some use scenes,. The invention provides a method for realizing rapid switching of the link aggregation. According to the method, whether link switching is necessary is judged by checking a value of a flow utilization rate of an interface, so that the problem that a current single-fiber fault cannot be identified is solved, an opposite-end device is unnecessary to carry out any negotiation, and a single-end device can finish the single-fiber fault detection and flow switching, thereby protecting a service rapidly.

Description

technical field [0001] The invention relates to network communication technology, more specifically, a method for realizing link aggregation and fast switching. technical background [0002] Link Aggregation (Link Aggregation) refers to bundling multiple physical ports together to form a logical port, generally called an SG port, to achieve load sharing of outgoing / incoming traffic among member ports. The port load sharing policy of the router determines which member port the packet is sent to the peer router. When the router detects that a link of one of the member ports fails, it stops sending packets on this port, and recalculates the port to send packets on the remaining links according to the load sharing policy. Calculate the packet sending port. Link aggregation is a very important technology in terms of increasing link bandwidth and realizing link transmission elasticity and redundancy. [0003] Aggregated links also provide redundancy and fault tolerance if each ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/709H04L45/243
CPCH04L45/245
Inventor 钟锋岩
Owner ANHUI WANTONG POSTS & TELECOMM CO LTD