Chapter 5: OSPF with Multiple Areas
Media:
5.1.1
Issues with Maintaining a Large OSPF Network
5.1.2
The Solution: OSPF Hierarchical Routing
5.1.3
OSPF Multi-Area Components
5.1.4
Types of OSPF Routers
5.1.5
Link-State Advertisements (1-2)
5.1.6
Types of Areas
5.1.7
Calculating Costs for Summary and AS External Routers
5.2.1
Forwarding Packet in a Multi-Area Network
5.2.2
Flooding LSUs to Multiple Areas
5.2.3
Path Calculation Order
5.3.1
Configuring OSPF ABRs
5.3.2
Calculation Example
5.3.3
Instruct the ABR to Summarize Routes
Instruct the ABR to Sumarize External Routes
Router Summarization Configuration Example
5.4.1
Using Stub and Totally Stubby Areas
5.4.2
Stub and Totally Stubby Area Restrictions
5.4.3
Define an Area as Stub/Totally Stubby
Define the Cost of the Default Route
5.4.4
OSPF Stub Area Configuration Example
5.4.5
OSPF Totally Stubby Configuration Example
5.5.1
Meeting the Backbone Area Requirements (1-2)
5.5.2
Configuring Virtual Links (1-2)
5.5.3
OSPF Virtual Link Configuration Example
5.6.1
OSPF NSSA Overview
Why Use OSPF NSSA?
Why Use OSPF NSSA? (cont.)
5.6.2
Configuring OSPF NSSA (1-2)
5.6.3
Configuring OSPF NSSA (1-2)
5.7.1
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