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Route distribution method and device

A publishing device and routing technology, applied in the field of communication, can solve problems such as inflexible operation and poor user experience, and achieve the effect of flexible operation, reducing the pressure of routing release, and good user experience

Active Publication Date: 2018-09-11
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, since the RT filtering policy needs to be manually configured on the source PE device, the operation is inflexible and the user experience is poor

Method used

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  • Route distribution method and device

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Embodiment Construction

[0039] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0040] The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments.

[0041] In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific implementation manners. It will be understood by those skilled in the art that the present disclosure may be practiced without some of the specific details. In some instances, methods, means, componen...

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Abstract

The invention relates to a route distribution method and a route distribution device. The method comprises the steps of acquiring route target (RT) information of each piece of provider edge (PE) equipment from each provider edge PE equipment connected with a rote reflector (RR), wherein the RT information comprises import route target (IRT) and export route target (ERT); and sending target IRT matched with the ERT to the PE equipment corresponding to the ERT, thus allowing the PE equipment corresponding to the ERT to determine a route to be distributed according to the target IRT. Therefore,the PE equipment corresponding to the ERT can determine the route to be distributed according to the target IRT, that is to say, the PE equipment corresponding to the ERT automatically uses the targetIRT as a RT filtering strategy, so that compared with the prior art in which the RT filtering strategy needs to be manually configured on the source end PE equipment, the method and device provided by the invention automatically set the RT filtering strategy, with no need to configure the RT filtering strategy manually, and are flexible to operate and good in user experience.

Description

technical field [0001] The present disclosure relates to the technical field of communication, and in particular, to a route publishing method and device. Background technique [0002] MPLS (Multi-Protocol Label Switching, multi-protocol label switching) L3VPN (Layer3Virtual Private Network, three-tier virtual private network) is a PE (Provider Edge, service provider network edge) equipment L3VPN technology, which uses BGP (Border Gateway Protocol, border gateway protocol) RT (Route Target, extended community attribute) to control the publication of VPN routes. [0003] The VPN instance on the PE device has two types of RT attributes: ERT (Export Route Target, outbound extended community attribute) and IRT (Import Route Target, inbound extended community attribute). Among them, after the local PE device learns the IPv4 route from the Site (site) connected to itself, it converts the IPv4 route into a VPN-IPv4 route, sets ERT for the VPN-IPv4 route, and publishes the VPN-IPv4...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L12/46H04L12/723H04L45/74H04L45/50
CPCH04L45/74H04L12/4641H04L45/50
Inventor 陈岩王伟
Owner NEW H3C TECH CO LTD
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