BSCI Exam Cram™ 2 (Exam 642-801)

Chapter 5. Interconnecting OSPF Areas

Terms you'll need to understand:

• Area

• Backbone

• Backbone router (BBR)

• Internal router (IR)

• Area border router (ABR)

• Autonomous system boundary router (ASBR)

• Virtual link

• Router ID

• Loopback interface

• Stub area

• Totally stubby area

• Not-so-stubby area (NSSA)

Techniques you'll need to master:

• Design your area network properly

• Configure virtual links and loopback interfaces

• Master the various link-state advertisement (LSA) types

• Understand how multicasting works for internal routers

• Deploy route summarization in OSPF NBMA environments

• Configure and verify multi-area OSPF operations

Now that you are familiar with the concepts and techniques for operating OSPF in a single-area implementation, it is time to move on to more scalable ...