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CLI-based Configuration Guide - IP Multicast

AR500, AR510, AR531, AR550, AR1500, and AR2500 V200R010

This document describes the concepts and configuration procedures of IP Service features on the device, and provides the configuration examples.
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(Optional) Configuring the Router-Alert Option

(Optional) Configuring the Router-Alert Option

Context

By default, the industrial switch router does not check whether IGMP messages contain the Router-Alert option and sends all the IGMP messages to the upper-layer routing protocol. To improve device performance, reduce transmission cost, and enhance protocol security, configure the industrial switch router to discard IGMP messages without the Router-Alert option.

By default, the industrial switch router sends IGMP messages with the Router-Alert option.

For details about the Router-Alert option, see RFC 2113.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run vlan vlan-id

    The VLAN view is displayed.

  3. Run igmp-snooping require-router-alert

    The device is configured to check whether IGMP messages contain the Router-Alert option.

  4. Run igmp-snooping send-router-alert

    The device is configured to send only IGMP messages with the Router-Alert option.

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Updated: 2019-08-09

Document ID: EDOC1100034230

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