Chapter 7. Using OSPF Across Multiple Areas
This chapter covers the following topics:
The Purpose of Multi-area OSPF—Explains OSPF multiple-area networks and the single area network issues they solve.
The Features of Multi-area OSPF—Describes router types, link-state advertisements, and the different types of areas.
The Operation of Multi-area OSPF—Explains LSA propagation, OSPF path selection between areas, and how OSPF calculates the costs of paths to other areas.
Design Considerations in Multi-area OSPF—Describes capacity planning, summarization, and the use of virtual links in multi-area OSPF.
Required Configuration Commands for a Multi-area OSPF Network—Describes configuring OSPF as the routing protocol and explains the network command in the ...
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