| Formato
del pacchetto IP |
| vers. |
| IHL |
| type
of serv. |
| total
length (2) |
| identification
(2) |
| - |
| D |
| M |
| fragment
offset |
| TTL
(1) |
| protocol
(1) |
| header
checksum (2) |
| source
address (4) |
| destination
address (4) |
| data
(variable) |