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CLI-based Configuration Guide - IP Multicast

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the basic concepts, configuration procedures, and configuration examples of the interfaces supported by the device.
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Configuring Longest Match for Multicast Route Selection

Configuring Longest Match for Multicast Route Selection


By default, a router selects reverse path forwarding (RPF) routes based on route preference. If you change the RPF check policy to longest match, the 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: 2019-03-06

Document ID: EDOC1100069332

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