Using Wireshark has:
Packet number "64",Source (my router )"192.168.0.1", Destination "
all-systems.mcast.net", Protocol "IGMPv2",Length "42", Destination ( mac addres) "01:00:5e:00:00:01",Protocols in frame "eth:ethertype:ip:igmp:igmp" and Info ,"Membership Query, general". Iam newbie in ethernet analytic. Someone can help me?