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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: 2009-07-22
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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, through the implementation of the published Chinese invention patent "Broadband access equipment to the dynamic host configuration protocol relay user control method" (application number 200310116094, published Date 2004.12.22), when the DHCP SERVER that does not support option 82 is used as the external DHCP SERVER of the DHCP relay, all the DHCP protocol interaction data packets between the DHCPCLIENT 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 each DHCP protocol data packet must carry during the interaction process between the DHCP user and the DHCPSERVER. This solves the problem that when the external DHCP SERVER does not support option 82, the virtual interface-based distributed processing fu...

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PUM

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Abstract

The invention discloses a distributed processing method and system based on a virtual interface of a dynamic host configuration protocol, which is used between users, relays and external servers supporting the dynamic host configuration protocol. All dynamic host configuration protocol interaction data packets between the external servers in option No. 82 pass through the relay located at the application layer, and the relay is embedded in the interaction data packets by embedding the user’s access circuit number, so that the response packet returned by the external server without the 82 option is correctly returned to the user who initiated the dynamic host configuration protocol request.

Description

Technical field [0001] The present invention relates to the field of dynamic host configuration protocol in the communication field, and in particular to a method for dynamically assigning IP addresses to users using a relay of 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, broadband access network equipment such as wireless access controllers (AC), broadband access servers (AS), and broadband access routers have emerged in large numbers. Following the (Dynamic Host Configuration Protocol), the external DHCP SERVER (DHCP server) assigns dynamic IP addresses to the internal DHCP CLIENT (DHCP client). [0003] At present, in high-performance distributed broadband access network equipment, in order to support the large number of users of DHCP CLIENT, DHCP relays are required to implement distribut...

Claims

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Application Information

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