igmp_link_local_mcast_reports

file: /proc/sys/net/ipv4/conf/interface/igmp_link_local_mcast_reports
variable: net.ipv4.conf.interface.igmp_link_local_mcast_reports
Official reference

Enable IGMP reports for link local multicast groups in the 224.0.0.X range. Default TRUE

Nb: per interface setting (where “interface” is the name of your network interface); “all” is a special interface: changes the settings for all interfaces.

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