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View Full Version : FC6 How to modify IGMP to use Version 2



adbuswell
22nd August 2007, 06:40 PM
the default version of IGMP that FC6 used last November was Ver 2, multicast setup to Cisco routers worked great. :) The last install I did of FC6 in April 2007 apparently changed the default version of IGMP to ver 3. multicast no longer works :mad: to these FC6 servers and v3 is the only thing I can come up with. Regardless, how do I set IGMP back to use ver 2 as its default version?

adbuswell
23rd August 2007, 09:38 PM
If you want to set igmp version 2 for all interfaces, this worked for me:

echo "2" > /proc/sys/net/ipv4/conf/all/force_igmp_version