This chapter covers the following subjects:
Route Filtering: This section introduces three separate methods of route filtering with OSPF and discusses the commands to configure two of these methods.
Route Summarization: This section examines how OSPF can summarize routes at ABRs and at ASBRs.
Default Routes and Stub Areas: This section examines the two main reasons an Enterprise might use default routes and then shows OSPF’s solution to each need: flooding a domain-wide default route and using OSPF stub areas.
This chapter discusses several features that optimize OSPF operations: route filtering, route summarization, default routing, plus OSPF stub areas.
Of these topics, the ...