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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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Setting the Aging Time of Dynamic Router Ports

Setting the Aging Time of Dynamic Router Ports

Context

A router port sends IGMP Report/Leave messages to an upstream Layer 3 device and receives multicast packets from the upstream device. When IGMP snooping is enabled on a device, the device can learn entries of the dynamic router port to monitor the sending of multicast data. When network congestion or flapping occurs, the dynamic router port does not receive General IGMP Query or Protocol Independent Multicast (PIM) Hello messages before it times out. The industrial switch router deletes the interface from the router port list, which may cause service interruption. To avoid this problem, set a longer aging time.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run vlan vlan-id

    The VLAN view is displayed.

  3. Run igmp-snooping router-aging-time router-aging-time

    The aging time is set for dynamic router ports.

    By default, the aging time of router ports that the industrial switch router learns from General IGMP Query messages is 180 seconds. By default, the aging time of router ports that the industrial switch router learns from PIM Hello messages is the Holdtime value in PIM Hello messages.

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Updated: 2019-08-09

Document ID: EDOC1100034230

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