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Transcript
Example Fragmentation Links
• MTU's
• Ethernet, Networks 1 and 2 - 1500
• FDDI, Network 3 – 4500
1500
H1
• PPP, Network 4 - 532
bytes
• H1 sends datagram
to H8, 1400 bytes
data and 20 bytes
header …. 1420
total
Do we Need to fragment?
H8
1500
bytes
532
bytes
4500
bytes
11