On 10/08/2014 04:31 AM, Len Ovens wrote: > I don't know if the linux IGMP can be set to run v2ish or not (or if it > would even be a good idea). echo 2 > /proc/sys/net/ipv4/conf/all/force_igmp_version can be set for each interface (s,all,XX,) as it seems. kernel 3.14 here. If the environment speaks v2, what would be wrong with forcing your machine to speak that too?