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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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Configuring Longest Match for Multicast Route Selection

Configuring Longest Match for Multicast Route Selection


By default, a industrial switch router selects reverse path forwarding (RPF) routes based on route preference. If you change the RPF check policy to longest match, the industrial switch router compares mask lengths of routes to select an RPF route, and compares route preference when multiple routes have the longest mask length.


  1. Run system-view

    The system view is displayed.

  2. Run multicast longest-match

    The longest match rule is applied for route selection.

Updated: 2019-08-09

Document ID: EDOC1100034230

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