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MAC address generation method and apparatus

A MAC address generation device technology, applied in the field of network communication, can solve problems such as poor applicability, hidden safety hazards, and increased procedures

Active Publication Date: 2016-03-23
GUANGZHOU HUIRUI SITONG INFORMATION SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the program of programming the MAC address through the serial port or the network port requires the software of the host computer, and at the same time requires the participation of personnel, which increases the process; while the program of programming the MAC address of the U disk can be completed automatically, but the device needs to support the USB interface. It is not wide and has certain security risks

Method used

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  • MAC address generation method and apparatus
  • MAC address generation method and apparatus

Examples

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Embodiment Construction

[0051] The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0052] Such as figure 1 As shown, the system composition block diagram of Embodiment 1 of the present invention includes one MAC address management device, one or more terminal devices, and the communication interface adopts Ethernet interface (CAN or RS485 can also be used). In this example, the terminal device and MAC address management device use TI's AM1808 as the processing chip (or other processor chips). The specific implementation process is as follows:

[0053] Terminal device side:

[0054] A) Power on and start, read whether there is valid tag information in a specific location of the memory, and the terminal device only stores one valid tag. If yes, use this MAC address for communication and end the process; otherwise, perform step B;

[0055] Such as Fi...

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Abstract

The invention discloses an MAC address generation apparatus, comprising a terminal device and an MAC address management device, wherein the terminal device automatically generates an initial MAC address by means of a device sequence number of a chip, the uniqueness of the MAC address is guaranteed to a certain extent by the particularity of the device sequence number, and by means of the communication with the MAC address management device, the MAC address management device judges to finish an allocation procedure of the MAC address. A unique MAC address is generated finally, and the MAC address is performed with CRC check with the device sequence number and is stored in a memory for starting, reading and verifying in the next startup. The MAC address is generated without excessive manual participation in the entire process, and the MAC address is always safe and unique within the service lives of the processor and the memory of the device. The apparatus and the device disclosed by the invention are used for automatically generating and allocating the MAC address and writing the unique MAC address in the memory at last, in order to improve the efficiency of overall volume production.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a method and device for generating a MAC address. Background technique [0002] At present, the general method of generating MAC address of equipment is: the manufacturer of network equipment applies to IEEE to purchase a piece of MAC address. The organization applies for the code used to identify the manufacturer, and the 24-47 digits are assigned by the manufacturer, which determines the unique number of the network card manufactured by the manufacturer. However, in the mass production process of some electronic equipment, the manufacturer needs to customize the MAC address, that is, the MAC address of the network card is not used, but the manufacturer's own MAC address is used for communication. The general method is to burn the MAC address into the storage device, and then let the communication module read the MAC address. But there will be a disadvantage in this way: t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
CPCH04L61/50H04L2101/622
Inventor 潘旭丰
Owner GUANGZHOU HUIRUI SITONG INFORMATION SCI & TECH CO LTD
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