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Transmission method and system for layered virtual private local area network business

A virtual private and local area network technology, which is applied in the transmission field of layered virtual private local area network services, and can solve problems such as inability to access the VPN network, separation of VPN network planning, etc.

Active Publication Date: 2012-10-17
RAISECOM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, VPN network users under the UPE may not be able to access the entire VPN network formed by VPLS, resulting in the separation of VPN network planning

Method used

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  • Transmission method and system for layered virtual private local area network business
  • Transmission method and system for layered virtual private local area network business
  • Transmission method and system for layered virtual private local area network business

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Embodiment Construction

[0077] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0078] figure 2 It is a schematic flowchart of an embodiment of a method for transmitting a layered virtual private area network service provided by the present invention. figure 2 In the method embodiment shown, the user-oriented service provider edge router UPE and the network-oriented service provider edge router NPE are interconnected across the network, and the network does not support the transmission functions of multi-protocol label switching MPLS and QINQ technologies, wherein each UPE is configured with There is an Ethernet network EoIP tunnel connecte...

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Abstract

The invention provides a transmission method and a system for a layered virtual private local area network business. The method comprises the following steps: a user-facing provider edge (UPE) router is interlinked with a network provider edge (NPE) router, and the network does not support the transmission function of a multi protocol label switch (MPLS) and a stacked VLAN (QINQ) technology, wherein every UPE is configured with an Ethernet network everything over IP (EoIP) channel connected with an NPE, and virtual exchange cases are hung under the NPE, wherein the method comprises the steps that: the NPE obtains the targeted media access control (MAC) address sent by the UPE as a first data packet of the MAC address of the device hung under the NPE; the NPE sends the first data packet; after receiving a second data packet fed back to the first data packet by the device, the NPE sends the second data packet to the UPE through the EoIP channel.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and system for transmitting layered virtual private area network services. Background technique [0002] VPLS (Virtual Private Local Area Network Service, Virtual Private Local Area Network Service) is a service that provides a LAN-like service on an MPLS (Muti Protocol Label Switch, Multi-Protocol Label Switching) network, which enables users to disperse from multiple geographical locations The points connected to the network at the same time, visit each other, just like these points are directly connected to the LAN. VPLS provides Layer 2 VPN (Virtual Private Network, virtual private network service). In VPLS, users are connected by a multi-point network, which is different from the P2P (Point to Point, point-to-point) connection service provided by traditional VPNs. VPLS actually creates a series of virtual switches on PE (Provider Edge, service provider edge router) and l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/56H04L29/12H04L45/50
Inventor 桂永忠
Owner RAISECOM TECH
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