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Method and system for configuring multiple ip shared ports of different vlans

A technology of sharing ports and implementing methods, applied in the field of VLAN network, can solve the problems of consumption, operation and CPU performance, etc.

Active Publication Date: 2020-03-27
GENEW TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing method for identifying packets carrying a VLAN TAG is supported by a network protocol stack. The protocol stack support method must configure protocol stack parameters, and its operation is responsible and consumes a lot of CPU performance.

Method used

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  • Method and system for configuring multiple ip shared ports of different vlans
  • Method and system for configuring multiple ip shared ports of different vlans
  • Method and system for configuring multiple ip shared ports of different vlans

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Embodiment Construction

[0048] The present invention provides a method and system for implementing multi-IP shared ports configured with different VLANs. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0049] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations...

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Abstract

The invention discloses an implementation method and an implementation system for sharing a port by multiple IP configured with different VLAN. The method comprises the steps of when a protocol stack sends a message to the port, acquiring an IP address corresponding to the message; finding a corresponding index value according to the IP address, and interposing the index value into the message to generate a first message; setting the first message to the port, so as to allow the port to interpose a VLAN tag corresponding to the index value into the first message and send the first message. According to the method and the system provided by the invention, the different index values are set for the IP, and the VLAN tag corresponding to the index value is inserted into the message when the file is sending, so that the effect of sharing one port by the multiple IP addresses with different VLAN tags is achieved.

Description

technical field [0001] The invention relates to the technical field of VLAN networks, in particular to a method and system for realizing multi-IP shared ports configured with different VLANs. Background technique [0002] Currently, there are many technologies for network isolation, among which VLAN (Virtual Local Area Network) is more common. The VLAN technology based on the 802.1Q protocol standard is supported by switches in the network to achieve network isolation. Such as figure 1 As shown, the 802.1Q protocol belongs to the Layer 2 protocol and is defined in the Ethernet packet header. The 802.1Q Tag consists of 4 bytes, each of which is the Type type of 2 bytes, which must be set to 0x8100. The other 2 bytes are composed of 3-bit PRI priority, 1-bit CFI whether it is a classic MAC address format, and 12-bit VID. After these 4 bytes are inserted into the message, the format of the entire message must be changed. The device receiving the message on the network must ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L29/12
CPCH04L12/4666H04L61/103
Inventor 李小军孟庆晓秦金昆
Owner GENEW TECH