Chapter 8. OSPF Advanced Topics

This chapter covers the following topics:

  • Special OSPF AreasDescribes how OSPF design uses stub, totally stubby, and not-so-stubby areas to optimize resource utilization.

  • Configuring OSPF AuthenticationDescribes the crucial topic of configuring specialized OSPF area types and MD5 authentication for OSPF. It also describes a few basic OSPF show and debug commands, which are sufficient for most verification and troubleshooting needs.

So far, this book has discussed simple OSPF networks and scaling OSPF to enterprise sizes. These discussions have—by necessity—assumed that the network could be built with only network design concerns. Unfortunately, the real world can be messy. Politics and business imperatives often ...

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