Ospf basics: Unterschied zwischen den Versionen
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Thomas (Diskussion | Beiträge) |
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Zeile 3: | Zeile 3: | ||
=Structure= | =Structure= | ||
*encapsulates its data directly in IP | *encapsulates its data directly in IP | ||
− | *protocol number 89 | + | *protocol number 89 |
*multicast addresses 224.0.0.5 | *multicast addresses 224.0.0.5 | ||
*variety authentication methods | *variety authentication methods | ||
+ | |||
=Router relationships= | =Router relationships= | ||
*router identifies with Hello packet | *router identifies with Hello packet |
Aktuelle Version vom 15. März 2024, 08:35 Uhr
Overview
- OSPF is an interior gateway protocol
Structure
- encapsulates its data directly in IP
- protocol number 89
- multicast addresses 224.0.0.5
- variety authentication methods
Router relationships
- router identifies with Hello packet
- link state protocol
- neighbor relationships
Adjacency state machine
- down
- attempt
- init
- 2-way
- exstart
- exchange
- loading
- full
Protocol messages
- Hello
- Database Description
- Link State Request
- Link State Update
- Link State Acknowledgment
OSPF Version 3
OSPF Header Version 3 | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
Version |
Type |
Length | |||||||||||||||||||||||||||||
Router ID | |||||||||||||||||||||||||||||||
Area ID | |||||||||||||||||||||||||||||||
Checksum |
Instance ID |
Reserved | |||||||||||||||||||||||||||||
Data |