Table of Contents
Open Shortest Path First OSPF (Part 1)
OSPF
OSPF Solutions
OSPF - Link State Protocol
How OSPF Works?
Link State Advertisement (LSA)
A Simplified Link State Database Example
PPT Slide
Segmented Network
Bringing up Adjacency
The Flooding Protocol
Securing the Map Updates
Authenticated Routing Updates
More Routers on One Network
Designated Router (DR)
The Metrics in OSPF
External Routes
Shortest Path Algorithm
Representation of routers and networks in a table
Example of an AS
PPT Slide
Shortest Path Tree and Routing Table for R6
Load Balancing by Multiple Path
Hierarchical Structure
Multiple Areas
OSPF Areas
Area Link State Database
Scaling OSPF
Route Redistribution
Route Tagging
OSPF - Advantages
The Link State Header
The Router Links
The Network Links
The Summary Links
The External Links
Protocols within OSPF
The Common Header
The Hello Protocol
The Exchange Protocol
The Exchange Protocol 2
The Flooding Protocol
Conclusions
Conclusions
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