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Host:
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sends
Membership Report messages, if joined
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waits
0-10 sec (def).
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Hosts
listen to other host reports
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Only
1 host responds
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Join
messages (unsolicited Membership Report) to group
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address
(e.g. 224.10.8.5)
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Leave
messages to All Routers (224.0.0.2)
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IGMPv1/2
reports group membership ONLY – No sources
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