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Route sending method and equipment

A sending method and routing technology, applied in the field of communication, can solve the problem that network devices cannot learn routing smoothly

Active Publication Date: 2021-09-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, if the next hop of the best route is an IPv4 neighbor, the route reflector can only send it to network devices that are IPv4 neighbors; on the contrary, if the next hop of the best route is an IPv6 neighbor, the route reflector only sends It can be sent to network devices that are IPv6 neighbors with each other, which may easily cause the network devices to fail to learn the corresponding routes

Method used

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Embodiment Construction

[0041] In order to make the purpose, technical solutions and advantages of the present application clearer, the embodiments of the present application will be described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only part of the present application, rather than all of them. . Those skilled in the art know that, with the emergence of new application scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0042] The terms "first", "second" and the like in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated ...

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PUM

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Abstract

The invention discloses a route sending method and device, and the method comprises the steps that a second network device receives a first route forwarded by a first network device, wherein the first route comprises an IP address of a source network device and first identification information, the first identification information is used for identifying that the IP address of the first network device belongs to a first type, and the first network device is a next-hop network device of the source network device; the second network device sends a first route, wherein the first route is a route determined by the second network device according to a first route group, and the first route group is determined according to the IP address of the source network device and the first type; therefore, the routes with the same addresses of the source network device and different types of next hop addresses can be allocated to different route groups, and the network device supporting different address types can normally learn the routes.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a route sending method and device. Background technique [0002] In the network, routes under the same address family can be learned between network devices that are neighbors, such as virtual private network-internet protocol version 4 (virtual private network-internet protocol) based on Border Gateway Protocol (Border Gateway Protocol, BGP). version 4 (VPNv4) address family routes can be learned between network devices that are Internet protocol version 4 (internet protocol version 4, IPv4) neighbors through the route reflector. [0003] With the evolution of the network, there are scenarios where IPv4 neighbors and IPv6 neighbors in the same address family coexist. However, according to relevant protocols, the route reflector needs to select an optimal route among multiple routes with the same prefix to send. For example, if the next hop of the best rout...

Claims

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Application Information

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IPC IPC(8): H04L12/741H04L12/751
CPCH04L45/08H04L45/74H04L45/02H04L45/021H04L45/72H04L45/741H04L45/04H04L61/5007H04L45/12
Inventor 戈军王海波王丽丽李磊
Owner HUAWEI TECH CO LTD