Introduction Network Types Multiple Area and Types of Areas Default Routes into Various Area Types Related Information
Introduction
This guide shows sample configurations of Open Shortest Path First (OSPF) in different network
environments. Specifically, the purpose of this guide is to examine the OSPF database in various
environments. The examples fall into the following categories:
Network Types
Multiple Area and Types of Areas
Default Routes into Various Area Types
Network Types
The following sample configuration documents fall under the Network Types category:
OSPF Routers Connected by an Unnumbered Serial Link
OSPF Routers Connected by a Numbered Point-to-Point Link
OSPF Routers Connected by a Point-to-Multipoint Link
OSPF Routers Connected by a Multi-Access Network
Multiple Area and Types of Areas
The following sample configuration documents fall under the Multiple Area and Types of Areas category:
OSPF Inter-Area Routing
How OSPF Propagates External Routes into Multiple Areas
OSPF Virtual Link
OSPF Not So Stubby Area Type 7 to Type 5 Link-State Advertisement Conversion
Default Routes into Various Area Types
The following sample configuration documents fall under the Default Routes into Various Area Types
category:
How OSPF Injects a Default Route into a Normal Area
How OSPF Injects a Default Route into a Stub or Totally Stub Area
How OSPF Injects a Default Route into a Not So Stubby Area