A method and system for network scanning based on trunk protocol

A network scanning and protocol technology, applied in transmission systems, network interconnection, digital transmission systems, etc., can solve the problems of low test efficiency, the method and system for network scanning of "trunk protocol have not been retrieved", etc., so as to improve the efficiency of network scanning. Effect
CN105812224BActive Publication Date: 2021-07-20ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
Publication Date
2021-07-20

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Abstract

A method for network scanning based on the trunk protocol, comprising the steps of: 1) switch configuration acquisition and analysis; 2) setting a test port as a trunk mode; 3) constructing and sending a test packet; 4) receiving and filtering a response packet; 5) ) data restoration and processing. The present invention also relates to a network scanning system based on the trunk protocol dedicated to the method, including the following sequentially connected modules: 1) switch configuration acquisition and analysis module, 2) setting the test port as a trunk mode module, 3) constructing and sending the test Data packet module, 4) receiving and filtering response data packet module and 5) data restoration and processing module. By adopting the method and system of the present invention, all VLANs or network segments on the switch can be scanned at one time without modifying the configuration of the switch, which can effectively improve the network scanning efficiency and avoid changing the configuration of the switch from affecting the stable operation of the information system.
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Description

technical field

[0001] The invention relates to a method for network scanning based on the trunk protocol. The invention also relates to a network scanning system based on the trunk protocol which is specially used for the method.

[0002] technical background

[0003] At present, all kinds of network scanners on the market use the access interface of the access switch to scan the network when scanning the network, which leads to the fact that the scanner can only scan the network for a single VLAN or network segment of the information system each time. If there are multiple VLANs or network segments on the switch of the information system, the tester needs to change the access port where the network scanner is connected to the switch to test again. And this easily leads to low test efficiency. If the switch does not have an idle access interface for certain VLANs or network segments, the tester must either give up the test for the network segment, or change the switch conf...

Claims

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