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Method for discovery and automatic configuration for IP address of device

A technology of IP address and automatic configuration, applied in the field of Ethernet communication, can solve problems such as configuration difficulties, and achieve the effect of solving configuration difficulties, improving ability, flexible and convenient use

Inactive Publication Date: 2011-04-20
KYLAND TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through the present invention, it can effectively solve the problem of configuration difficulties in batch deployment of embedded devices, greatly improve the automation capability of embedded devices, and it is also very flexible and convenient to use

Method used

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  • Method for discovery and automatic configuration for IP address of device
  • Method for discovery and automatic configuration for IP address of device
  • Method for discovery and automatic configuration for IP address of device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0020] specific implementation

[0021] The invention provides a method for automatic discovery of embedded equipment and automatic configuration of IP addresses. Its core is to configure the IP address through the reply message of the RARP protocol, and realize the function of automatic device discovery through the RARP request message and multicast message.

[0022] The specific implementation process includes:

[0023] 1. First, determine whether the IP address configuration is a static IP address or no IP address configuration.

[0024] 2. If it is a static IP address, set the static IP address as the system IP address, continue to start the system, and use multicast messages to cyclically send the device's own information.

[0025] 3. The host computer can receive this multicast message to automatically discover and identify the device.

[0026] 4. If the IP address is not set, start the RARP function and send the RARP request message.

[0027] 5. After receiving the ...

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PUM

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Abstract

The invention relates to a method for automatic discovery and automatic configuration for IP address of an embedded device, and the key points are as follows: the function of automatic discovery of the device is realized through a RARP (reverse address resolution protocol) request massage and a multicast massage, and the IP address is configured through a reply massage of the RARP. Through the invention, the problem of configuration difficulty of batch deployment of the embedded device can be solved effectively, the automatic ability of the embedded device is improved greatly, and the use is very flexible and convenient.

Description

technical field [0001] The invention relates to the field of Ethernet communication and the field of embedded manageable communication network, and in particular relates to reverse address translation protocol and multicast technology. Background technique [0002] Reverse Address Resolution Protocol (RARP: Reverse Address Resolution Protocol) Reverse Address Resolution Protocol (RARP) allows physical machines on the LAN to request their IP addresses from the ARP table or cache of the gateway server. The network administrator creates a table in the LAN gateway router to map the physical address (MAC) and its corresponding IP address. When setting up a new machine, its RARP client program needs to request the corresponding IP address from the RARP server on the router. Assuming a record has been set in the routing table, the RARP server will return the IP address to the machine, which will be stored for future use. RARP can be used on Ethernet, fiber optic distributed data ...

Claims

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Application Information

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IPC IPC(8): H04L29/12H04L12/56H04L12/18
Inventor 曲健宁
Owner KYLAND TECH CO LTD
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