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Configuration Guide - IP Unicast Routing

S1720, S2700, S5700, and S6720 V200R011C10

This document describes IP Unicast Routing configurations supported by the switch, including the principle and configuration procedures of IP Routing Overview, Static Route, RIP, RIPng, OSPF, OSPFv3, IS-IS(IPv4), IS-IS(IPv6), BGP, Routing Policy ,and PBR, and provides configuration examples.
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Summary of RIPng Configuration Tasks

Summary of RIPng Configuration Tasks

After basic RIPng functions are configured, you can build a Layer 3 network using the RIPng protocol. If other RIPng functions are required, configure them according to reference sections.

Table 5-1 describes RIPng configuration tasks.

Table 5-1  RIPng configuration tasks

Scenario

Description

Task

Configuring basic RIPng functions

Basic RIPng functions include enabling RIPng and enabling the RIPng process on interfaces. Basic RIPng functions must be configured before you use the RIPng features.

Configuring Basic RIPng Functions

Preventing routing loops

RIPng is a distance-vector routing protocol. RIPng devices advertise their local IPv6 routing tables to neighbors, so routing loops may occur.

RIPng uses split horizon and poison reverse to prevent routing loops:
  • Split horizon: A route learned by RIPng from an interface is not sent to neighbors from this interface. This reduces bandwidth consumption and prevents routing loops.
  • Poison reverse: RIPng sets the cost of a route learned from an interface to 16 (unreachable), and sends this route to neighbors through this interface. In this way, RIPng can delete useless routes from neighbors' routing table and prevent routing loops.

Preventing Routing Loops

Controlling RIPng routing

To use RIPng more flexibly on the existing network and meet various user requirements, you can configure different parameters to control RIPng routing.

Controlling RIPng Routing

Controlling the advertising and receiving of RIPng routes

To meet network requirements, you can configure different parameters to accurately control the advertising and receiving of RIPng routes.

Controlling RIPng Route Advertisement

Controlling the Receiving of RIPng Routes

Improving RIPng network performance

You can configure special RIPng functions to improve RIPng network performance.
  • Adjust the RIPng timer to change the RIPng network convergence speed.
  • Adjust the number and interval of Update packets sent by an interface to reduce consumption of device resources and network bandwidth.
  • Check the zero fields in RIPng packets to ensure high network security.

Improving RIPng Network Performance

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Updated: 2019-10-21

Document ID: EDOC1000178171

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