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Method and device for label distribution

A label and technology to be assigned, applied in the field of network communication, can solve problems such as unrealizable, non-possessed, and unable to forward VPN messages normally, and achieve the effect of convenient operation and simple configuration

Active Publication Date: 2020-03-06
HANGZHOU DPTECH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, this application provides a label distribution method and device to solve the problem that when some devices play the role of P equipment in MPLS networking, because they do not have the function of supporting P equipment, they cannot normally forward VPN message; or, the problem that its original function based on routing and forwarding cannot be realized

Method used

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  • Method and device for label distribution
  • Method and device for label distribution
  • Method and device for label distribution

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Embodiment Construction

[0038] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0039] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The present application provides a label allocation method and device, which are applied to MPLS equipment, and the method includes: determining a VPN label to be allocated for a VPN route to be diffused, and the VPN label corresponds to a VRF; when the VPN route is diffused, Allocating the VPN label to the VPN route, so that when a packet carrying the VPN label is received, the packet is routed and forwarded in the VRF corresponding to the VPN label. Applying the above method can solve the problem that when some devices play the role of P devices in the MPLS network, they cannot forward VPN packets normally because they do not have the function of supporting P devices; The problem of the function that can only be realized by routing and forwarding.

Description

technical field [0001] The present application relates to the technical field of network communication, and in particular to a label allocation method and device. Background technique [0002] MPLS (Multiprotocol Label Switching, multi-protocol label switching) L3VPN (Layer3VirtualPrivate Network, three-tier virtual private network) is a service provider VPN (Virtual Private Network, virtual private network) solution based on PE (Provider Edge, service provider Edge) L3VPN technology, which uses BGP (Border Gateway Protocol, Border Gateway Protocol) to publish VPN routes on the service provider's backbone network, and uses MPLS to forward VPN packets on the service provider's backbone network. The MPLS L3VPN network architecture model consists of three parts: CE (Customer Edge, user edge) equipment, PE equipment, and P (Provider, service provider) equipment. Among them, the CE device is the edge device of the user network, which can be a router or switch, or a host; the PE ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/723H04L45/50
CPCH04L45/507
Inventor 王富涛
Owner HANGZHOU DPTECH TECH
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