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Network for securing special line user to access to network

A user, network technology, applied in the network field

Active Publication Date: 2011-04-13
北京知方知识产权管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem to be solved by the present invention is: to overcome the management difficulties existing in the prior art using the static IP address binding function, the configuration workload is large, and the IP address is easily To solve the problem of embezzlement, provide a network that guarantees the Internet access of dedicated line users, simplifies configuration, facilitates management, and increases the security of IP addresses

Method used

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  • Network for securing special line user to access to network
  • Network for securing special line user to access to network
  • Network for securing special line user to access to network

Examples

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Embodiment Construction

[0032] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0033] Many options are defined in the DHCP protocol, one of which is Option82, such as figure 1 As shown, two sub-options, Circuit ID Sub-option (ie CID) and Remote ID Sub-option (ie RID), are defined, where:

[0034] CID is the link identifier, which is generally used to identify the user's access location information (local information);

[0035] The RID is a remote identifier, which is generally used to identify attribute information (global information) of a device.

[0036] The general process of the DHCP protocol is as follows: figure 2 As shown, a DHCP Discovery (probing) message sent by the user indicates the beginning of a user dynamically obtaining an address, and a DHCPACK (response) message returned by the server indicates the end of a successful address acquisition.

[0037] The access device (such as DSLAM) of the present invention capt...

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Abstract

A network of ensuring individual line subscriber to get on the Internet comprises: an access device for acquiring a dynamic host configuration protocol (DHCP) message of a user end, and recording an acquisition port and description information on the port, taking the port position information with an own device name as a link mark, taking description information of the port as a distal end mark, taking the link mark and the distal end mark information as a DHCP option to add in the DHCP message, then sending the message to a DHCP server, acquiring user configuration information based on a DHCP response message returned from the DHCP server, and using the configuration information to generate dynamic binding relationship to the user port; the DHCP server for pre-configuring configuration information aiming at DHCP optional information, searching the matched configuration information according to the received optional information in the received DPCH message, backfilling the optional information in the DHCP response message, and returning the corresponding configuration information to the access device through the response DHCP message.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a network for ensuring dedicated line users to access the Internet. Background technique [0002] Dynamic Host Configuration Protocol (DHCP) is the most commonly used protocol for controlling Internet access. The protocol itself is mature and simple, and existing computer operating systems such as Windows and Unix support this protocol. Using this protocol, users do not need to care about themselves What is the IP address? Every time you go online, you only need to use this protocol to dynamically obtain an address from the address pool on a specific DHCP server, and then you can go online without any additional configuration or installation of additional dial-up tools. For network managers and general It is very simple for users. [0003] But for some dedicated line users, the user may prefer to use a fixed address for a period of time, such as the user wants to open various s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/06H04L12/28
Inventor 施汝军
Owner 北京知方知识产权管理有限公司
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