Ospf basics: Unterschied zwischen den Versionen
Zur Navigation springen
Zur Suche springen
Thomas (Diskussion | Beiträge) |
Thomas (Diskussion | Beiträge) |
||
| Zeile 25: | Zeile 25: | ||
*Link State Update | *Link State Update | ||
*Link State Acknowledgment | *Link State Acknowledgment | ||
| + | === OSPF Version 3 === | ||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | !colspan="32"| 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 | ||
| + | |- | ||
| + | !colspan="8" style="background:#FFCC99"| Version<br />(Version) | ||
| + | !colspan="8" style="background:#FFFF99"| Type<br />(Typ) | ||
| + | !colspan="16" style="background:#FFFF99"| Length<br />(Länge) | ||
| + | |- | ||
| + | !colspan="32" style="background:#FFFF99"| Router ID<br />(Routerbezeichner) | ||
| + | |- | ||
| + | !colspan="32" style="background:#FFFF99"| Area ID<br />(Bereichsbezeichner) | ||
| + | |- | ||
| + | !colspan="16" style="background:#FFFF99"| Checksum<br />(Prüfsumme) | ||
| + | !colspan="8" style="background:#FFFF99"| Instance ID<br />(Instanzbezeichner) | ||
| + | !colspan="8" style="background:#FFCC99"| Reserved<br />(reserviert) | ||
| + | |- | ||
| + | !colspan="32" style="background:#00EEEE"| Data<br />(Daten) | ||
| + | |} | ||
| + | |||
| + | * Die Version 3 des OSPF ist für [[IPv6]] vorgesehen und in RFC 5340 definiert. | ||
| + | * Die ''Instance ID'' (Instanzbezeichner) beträgt 8 Bit. | ||
| + | * ''Reserved'' (reserviert) beträgt 8 Bit | ||
Version vom 14. Dezember 2017, 20:08 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 (Version) |
Type (Typ) |
Length (Länge) | |||||||||||||||||||||||||||||
| Router ID (Routerbezeichner) | |||||||||||||||||||||||||||||||
| Area ID (Bereichsbezeichner) | |||||||||||||||||||||||||||||||
| Checksum (Prüfsumme) |
Instance ID (Instanzbezeichner) |
Reserved (reserviert) | |||||||||||||||||||||||||||||
| Data (Daten) | |||||||||||||||||||||||||||||||
- Die Version 3 des OSPF ist für IPv6 vorgesehen und in RFC 5340 definiert.
- Die Instance ID (Instanzbezeichner) beträgt 8 Bit.
- Reserved (reserviert) beträgt 8 Bit