Introduction

Since the publication of Volume I of Routing TCP/IP, many volumes have been added to the Cisco Press CCIE Professional Development series. And the CCIE program itself has expanded to include various areas of specialization. Yet the IP routing protocols remain the essential foundation on which the CCIE candidate must build his or her expertise. If the foundation is weak, the house will tumble.

I stated in the introduction to Volume I that "...as internetworks grow in size and complexity, routing issues can become at once both large and subtle." Scalability and management of growth continues to be a central theme in this second volume, as we move beyond the interior gateway protocols to examine both interautonomous system routing and ...

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