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Method for generating routing table items in a distributed router, and distributed router

A distributed and router technology, applied in the field of communication, can solve the problem of packet loss in the failure recovery of the main router

Active Publication Date: 2014-01-15
BEIJING HUAWEI DIGITAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Embodiments of the present invention provide a method for generating routing entries in a distributed router and a distributed router to solve the problem of packet loss when the primary router recovers from a failure in a dual-homing network

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  • Method for generating routing table items in a distributed router, and distributed router
  • Method for generating routing table items in a distributed router, and distributed router
  • Method for generating routing table items in a distributed router, and distributed router

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] see figure 2 , an embodiment of the present invention provides a method for generating routing table entries in a distributed router, where the distributed router includes a main control board and an interface board, including:

[0026] 202. Receive a routing update message including a routing prefix and a first next hop;

[0027] I...

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Abstract

The embodiment of the invention provides a method for generating routing table items in a distributed router. The method comprises receiving a routing update message including a routing prefix and a first next hop; obtaining a corresponding first routing table item including a second next hop, and adding the first next hop into the first routing table item to generate a second routing table item; starting a delete timer when the priority of the second next hop is lower than that of first next hop information, the duration of the delete timer being a preset time value; and deleting the second next hop in the second routing table item to generate a third routing table item when the time of the delete timer is up, and sending the third routing table item to a forwarding information table of an interface board. The embodiment of the invention also provides a distributed router. Through the technical scheme of the embodiment of the invention, during dual homing networking, packet loss can be effectively avoided when a fault of a main router recovers.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of communication, and in particular, to a method for generating routing entries in a distributed router and a distributed router. Background technique [0002] The distributed forwarding router includes a main control board and an interface board. Each interface board has an independent central processing unit (English full name is Central Processing Unit, English abbreviation is CPU) for forwarding processing. The main control board belongs to the control layer of the router. , the main control board generates a routing table item according to the routing information obtained from the routing protocol session interaction, the main control board stores the generated routing table item in the routing table (Routing Table) of the main control board, and sends the routing table item to each interface A forwarding information table (full English name is Forwarding Information Database, ...

Claims

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Application Information

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IPC IPC(8): H04L12/741H04L45/74
Inventor 孙君祥
Owner BEIJING HUAWEI DIGITAL TECH
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