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Virtual exchanging method capable of routing

A routing and switching table technology, applied in the direction of data switching network, digital transmission system, electrical components, etc., can solve the problems of not being able to provide layer 2 data switching function and layer 3 business, and not being able to support virtual switching on one device interface at the same time, to achieve The effect of rich functions, easy maintenance and management, and simple network

Inactive Publication Date: 2006-03-01
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a routable virtual switching method, overcome the technical deficiency that the existing V-SWITCH technology cannot simultaneously support virtual switching and three-layer routing on a device interface at the edge of network access, and solve V-SWITCH technology. Switch technology cannot simultaneously provide Layer 2 data exchange functions and rich Layer 3 services for access customers on the same interface; and, through the present invention, operators can simultaneously provide high-efficiency Layer 2 services for large customers on one interface. The virtual switching function can also provide powerful business processing capabilities, such as the expansion capabilities of MPLS, multicast, VPN, and IPV6, without adding more equipment and access lines

Method used

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  • Virtual exchanging method capable of routing
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Embodiment Construction

[0054] In the present invention, the technical scheme of the routable virtual switching method is:

[0055] A: Determine the priority of switching and routing processing on an interface;

[0056] B: Waiting for the arrival of the device interface data message;

[0057] C: Check the legality of the data message, and discard the wrong data message if the message does not meet the legality;

[0058] D: According to the determined processing priority, exchange processing is performed according to the incoming VLAN ID and incoming interface number of the message, or identify and process according to the layer-3 routing or protocol information carried in the message. After the packet fails to be processed by the priority process, it will not be discarded, but will be processed by the low priority process.

[0059] Further, step D may include the following information:

[0060] D1: Switching processing is a process of searching the switching table according to the incoming VLAN ID...

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Abstract

A routable virtual exchange method includes confirming priority level for carrying out exchange and route processing on one interface , waiting arrival of device interface data message , checking legality of data message and discarding error data message if it is illegal , carrying out exchange processing according to confirmed processing priority level and message identification for entering to virtual local network , or carrying out identification and processing according to three layer route carried by data packet , not discarding message after its processing course being carried out firstly is failed but carrying out low priority level course processing for it .

Description

technical field [0001] The invention relates to the technical field of data network communication, in particular to a routable virtual switching method. Background technique [0002] With the continuous increase of MAN users, the network scale and traffic also increase accordingly. The development direction of MAN networking has changed from star and tree to flat, diversified and customized development, and the network tends to be more flexible. Operators pay more attention to performance-price ratio, and at the same time pay more and more attention to the support of value-added services. The requirements for network equipment are no longer simple traffic access and aggregation. The business of the metropolitan area network is becoming more and more abundant, requiring high-end network equipment to have stronger business processing capabilities, especially higher requirements for the service processing capabilities of the network equipment at the aggregation layer: rich Laye...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/08
CPCH04L67/327H04L45/00H04L67/63
Inventor 叶志宁胡龙斌龚超美曲原卯玉成钱小龙于伟钟卫东贾皓昕苏静
Owner ZTE CORP
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