Pacchetto OSPF
| 7 |
15 |
23 |
31 |
| Version # |
Type |
Packet length |
| Router ID |
| Area ID |
| Checksum |
Autype |
| Authentication |
| Authentication |
Pacchetto Hello
| 7 |
15 |
23 |
31 |
| Version # |
1 |
Packet length |
| Router ID |
| Area ID |
| Checksum |
AuType |
| Authentication |
| Authentication |
| Network Mask |
| HelloInterval |
Options |
Rtr Pri |
| RouterDeadInterval |
| Designated Router |
| Backup Designated Router |
| Neighbor |
| Data information |
Pacchetto Database Description
| 7 |
15 |
23 |
31 |
| Version # |
2 |
Packet length |
| Router ID |
| Area ID |
| Checksum |
Autype |
| Authentication |
| Authentication |
| 0 |
0 |
Options |
0 0 0 0 0 I M MS |
| DD sequence number |
| LSA Header |
| ... |
Pacchetto Link State Request
| 7 |
15 |
23 |
31 |
| Version # |
3 |
Packet length |
| Router ID |
| Area ID |
| Checksum |
Autype |
| Authentication |
| Authentication |
| Link State Type |
| Link State ID |
| Advertising Router |
| ... |
Pacchetto Link State Update
| 7 |
15 |
23 |
31 |
| Version # |
4 |
Packet length |
| Router ID |
| Area ID |
| Checksum |
Autype |
| Authentication |
| Authentication |
| # advertisements |
| Link State Advertisements |
| ... |
Pacchetto Link State Acknowledge
| 7 |
15 |
23 |
31 |
| Version # |
5 |
Packet length |
| Router ID |
| Area ID |
| Checksum |
Autype |
| Authentication |
| Authentication |
| Link State Advertisements |
| ... |
LSA Header
| 7 |
15 |
23 |
31 |
| LS age |
Options |
LS type |
| Link Stare ID |
| Advertising Router |
| LS sequence number |
| LS checksum |
length |
Router LSA
| 7 |
15 |
23 |
31 |
| LS age |
Options |
1 |
| Link State ID |
| Advertising Router |
| LS sequence number |
| LS checksum |
length |
| V | E | B |
# links |
| Link ID |
| Link Data |
| Type |
# TOS |
TOS 0 metric |
| TOS |
0 |
metric |
| .... |
| TOS |
0 |
metric |
| Link ID |
| Link Data |
| .... |
Network LSA
| 7 |
15 |
23 |
31 |
| LS age |
Options |
2 |
| Link State ID |
| Advertising Router |
| LS sequence number |
| LS checksum |
length |
| Network mask |
| Attached Router |
| ... |
Summary LSA
| 7 |
15 |
23 |
31 |
| LS age |
Options |
3 or 4 |
| Link State ID |
| Advertising Router |
| LS sequence number |
| LS checksum |
length |
| Network Mask |
| TOS |
metric |
| ... |
External AS LSA
| 7 |
15 |
23 |
31 |
| LS age |
Options |
5 |
| Link State ID |
| Advertising Router |
| LS sequence number |
| LS checksum |
length |
| E |
TOS |
metric |
| Forwarding address |
| External route tag |
| ... |
Created: 09/06/96 Updated: 09/06/96