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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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(Optional) Configuring a Multicast Source Lifetime

(Optional) Configuring a Multicast Source Lifetime


An IGMP proxy-capable router starts a timer for each (S, G) entry. A multicast source lifetime is the timeout period of an (S, G) entry generated by the IGMP proxy-capable router.

The IGMP proxy-capable router starts a timer upon receiving the first multicast data packet for group G from source S. The router resets the timer each time it receives a multicast packet sent from source S. If the router does not receive any multicast packet from source S within the lifetime of the source S, the router determines that source S has stopped sending multicast data to group G and the (S, G) entry has become invalid.


  1. Run system-view

    The system view is displayed.

  2. Run igmp [ vpn-instance vpn-instance-name ]

    The IGMP view is displayed.

  3. Run proxy source-lifetime interval

    A multicast source lifetime is configured.

    The default multicast source lifetime is 210s.

Updated: 2019-03-06

Document ID: EDOC1100069332

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