IGMPv3 Packet Structure
IGMP messages are carried in bare IP packets with IP protocol number 2. There is no transport layer used with IGMP messaging, similar to ICMP for example.
Read more about this topic: Internet Group Management Protocol
Famous quotes containing the words packet and/or structure:
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The captain said, Quack! Quack!”
—Mother Goose (fl. 17th–18th century. I saw a ship a-sailing (l. 13–16)
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—Vladimir Nabokov (1899–1977)