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A method and system for initiating l2tp tunnel connection by self-dialing of lac router

A technology of tunnel connection and router, which is applied in the field of communication and can solve problems such as many requirements and restrictions

Active Publication Date: 2021-09-28
ANHUI WANTONG POSTS & TELECOMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] A method and system for initiating an L2TP tunnel connection by a LAC router self-dialing proposed by the present invention can solve the technical problem of a traditional VPDN comprehensive solution that requires more restrictions on remote user terminals

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  • A method and system for initiating l2tp tunnel connection by self-dialing of lac router
  • A method and system for initiating l2tp tunnel connection by self-dialing of lac router
  • A method and system for initiating l2tp tunnel connection by self-dialing of lac router

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments.

[0030] like figure 1 As shown, the method for the LAC router in this embodiment to initiate an L2TP tunnel connection by self-dialing includes:

[0031] like figure 1 As shown, in a traditional VPDN network, all user terminals under the LAC need to dial up with an account and password to create a PPP session. Therefore, there are requirements on terminals, which limits the diversity of access terminals.

[0032] The invention utilizes the LAC router to simulate terminal dialing by itself, the LNS only needs to perform identity authentication on t...

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Abstract

The invention discloses a method and a system for an LAC router to initiate an L2TP tunnel connection by self-dialing. The method includes: configuring the VT interface on the LAC router to simulate the terminal, triggering dialing by the device itself, making the LAC establish an L2TP tunnel with the LNS in the network, and establishing a PPP session between the simulated terminal and the LNS on the basis of the tunnel. Through the technical solution provided by the present invention, all terminals connected to the LAC device can directly use the service provided by the operator when using VPDN to access the customer's internal network, which avoids the need for the terminal to perform L2TP dialing, and is convenient for users to use.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and system for an LAC router to initiate an L2TP tunnel connection by self-dialing. Background technique [0002] VPDN (Virtual Private Dial-up Network) refers to using the dial-up function of the public network to access the public network to realize a virtual private network, thereby providing access services for enterprises, small ISPs, and mobile office workers. Layer 2 tunneling protocol L2TP (Layer 2tunneling Protocol) is currently the most widely used VPDN tunneling protocol. L2TP establishes a point-to-point L2TP tunnel on a public network (such as the Internet), encapsulates PPP (Point-to-Point Protocol, Point-to-Point Protocol) data frames and transmits them through the L2TP tunnel, so that remote users (such as enterprises stationed abroad) After using PPP to access the public network, they can communicate with the internal network of the enterprise th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/24H04L12/741H04L12/911H04L29/06H04L45/74
CPCH04L12/4633H04L12/4641H04L41/0803H04L45/74H04L47/825H04L63/08H04L63/083
Inventor 黄齐波
Owner ANHUI WANTONG POSTS & TELECOMM CO LTD
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