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This is important, because for most protocols, link level fragmentation is used, but with different default effective MTUs. (e.g.: IPv4 default MTU is 1500 octets, IPv6 default MTU is 9072 octets).
This is important, because for most protocols, link level fragmentation is used, but with different default effective MTUs. (e.g.: IPv4 default MTU is 1500 octets, IPv6 default MTU is 9072 octets).