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Large amount of igmp v2 membership report on wireshark, killing file server

Last Modified: 2012-05-09
We recently installed a new server for a client of ours.  Everything had been going great, and today i swapped out a router and noticed that i was getting dropped packets to the new server.  I ran wireshark and saw a whole lot of IGMP traffic.

I dont know what this is, but about every 2 minutes there is a huge peak in the networking graph, and i lose internet and file sharing for about 60 seconds.

Wireshark lists  some IPs  Destination: and source:

these IPS have nothing to do with us.

Any thoughts on how i can solve this would be great!

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