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Method and device for discovering peer PE device of vpls instance

A device and device determination technology, applied in the network field, can solve problems such as the complexity of automatic discovery methods

Active Publication Date: 2016-10-19
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0023] In view of this, the present invention provides a method and device for discovering peer PE equipment of a VPLS instance, so as to at least solve the problem that the implementation of the existing automatic discovery method is relatively complicated

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  • Method and device for discovering peer PE device of vpls instance
  • Method and device for discovering peer PE device of vpls instance

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Embodiment Construction

[0039] In the prior art method for automatically discovering the peer PE device of the VPLS instance, the BGP protocol is introduced. The principle of the BGP protocol itself is relatively complicated, so that the implementation of the existing automatic discovery method is also relatively complicated. In order to solve the above-mentioned problems existing in the prior art, the following embodiments of the present invention provide a new method for automatically discovering peer PE devices of VPLS instances and PE devices to which this method can be applied. The method is based on MP2MP (Multi-point to Multi-point, multipoint-to-multipoint) LSP, that is to say, the following embodiments of the present invention rely on MP2MP LSP deployed in the network to be implemented.

[0040] image 3 and Figure 4 It is a schematic diagram of two network architectures with MP2MP LSP established. Such as image 3 and Figure 4 As shown, an MP2MP LSP connecting each PE device (which ma...

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Abstract

The invention discloses a method and equipment for discovering peer PE equipment of a VPLS instance. MP2MP LSPs connected to each PE equipment are deployed in the network. The method includes: the first PE equipment receives from the MP2MP LSP the second PE equipment sends The notification message carrying the VSI set on the second PE device; for each VSI set on the second PE device, the first PE device judges whether there is a local VSI belonging to the same VPLS instance as the VSI; if there is a VSI belonging to the VSI of the same VPLS instance, the first PE device determines that the second PE device is the peer PE device of the VPLS instance. The present invention avoids using the BGP protocol with complex principles, and the operating mechanism is relatively simple.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a method and equipment for discovering peer PE equipment of a VPLS instance. Background technique [0002] Today's IP (Internet Protocol, Internet Protocol) network has spread all over the world, and using the existing IP network to provide low-cost private networks for enterprises has gradually become the focus of major operators. Therefore, a technology that provides VPN (Virtual Private Network, virtual private network) service on the IP network, can set the rate conveniently, and configures simple technology came into being. This technology is MPLS (Multi-protocol Label Switching, multi-protocol label switching) VPN technology. There are two MPLS-based VPN technologies, MPLS L3VPN (Layer 3 Virtual Private Network, Layer 3 Virtual Private Network) and MPLS L2VPN (Layer 2 Virtual Private Network, Layer 2 Virtual Private Network). The traditional MPLS L2VPN provides a point-t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/723H04L12/46H04L45/50
CPCH04L45/64H04L45/50H04L12/462H04L12/4633H04L12/4641
Inventor 叶金荣
Owner NEW H3C TECH CO LTD
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