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Distributed approach and system based on virtual interface under dynamic host configuration protocol

A technology of dynamic host configuration and distributed processing, applied in transmission systems, electrical components, etc., can solve problems such as inability to correctly complete DHCP distributed processing functions, and achieve the effect of saving repeated investment and management/maintenance costs

Active Publication Date: 2006-04-19
ZTE CORP
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  • Summary
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AI Technical Summary

Problems solved by technology

[0013] The technical problem to be solved by the present invention is to provide a distributed processing method and system based on a virtual interface of a dynamic host configuration protocol, so as to solve the problem that the DHCP relay cannot be correctly completed in the prior art when the external DHCP server does not support option 82 Technical Issues with Distributed Processing Functions

Method used

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  • Distributed approach and system based on virtual interface under dynamic host configuration protocol
  • Distributed approach and system based on virtual interface under dynamic host configuration protocol
  • Distributed approach and system based on virtual interface under dynamic host configuration protocol

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Embodiment Construction

[0030]The present invention is based on the needs of DHCP relay protocol processing and distributed processing, by implementing the published Chinese invention patent "Broadband Access Device Control Method for Relay Users of Dynamic Host Configuration Protocol" (application number 200310116094, published 2004.12.22), so that when the DHCP SERVER that does not support option 82 is used as the external DHCP SERVER of the DHCP relay, all DHCP protocol interaction packets between the DHCP CLIENT and the external DHCP SERVER pass through the DHCP relay at the application layer . The DHCP relay in the present invention can effectively embed the access circuit number of the DHCP user in the protocol data field that must be carried in each DHCP protocol data packet during the interaction process between the DHCP user and the DHCPSERVER. In this way, when the external DHCP SERVER does not support option 82, the distributed processing function based on the virtual interface of the DHCP...

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Abstract

The invention is in use among users, relays and external servers of supporting dynamic host configuration protocol (DHCP). Characters are that all interactive data packets in DHCP between users and external server of not supporting number 82 option are passed through relays located at application layer. Through userí»s access circuit number embedded in the interactive data packets, the relay makes response data packet without 82 option returned from external servers transfer to the user, who launches request in DHCP.

Description

technical field [0001] The present invention relates to the field of dynamic host configuration coordination modification in the communication field, in particular to a method for dynamically assigning IP addresses to users by using a relay of a dynamic host configuration protocol in an Ethernet environment, and dynamically obtaining IP addresses for users through an external server and system. Background technique [0002] With the development of broadband network technology, a large number of broadband access network devices such as wireless access controllers (ACs), broadband access servers (AS), and broadband access routers have sprung up. Most of these broadband network access devices provide Following (Dynamic Host Configuration Protocol) the function of assigning a dynamic IP address to the internal DHCP CLIENT (DHCP client) by the external DHCP SERVER (DHCP server). [0003] At present, in high-performance distributed broadband access network equipment, in order to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
Inventor 赵真富喻敬海冯健
Owner ZTE CORP
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