The Mechanics of Troubleshooting OSPF

This section deals with the inevitable network routing problems that surface from time to time. These problems can take many forms, from straightforward loss of connectivity to the more complex routing loops. You are provided with a variety of “best practices,” which can help prepare the network for troubleshooting, ready yourself to respond to a network event, and provide resources that can assist in resolving these issues. Other issues that are not within the scope of this book are mentioned briefly.

Even though additional problems exist that might influence or alter OSPF’s operation, such as access list configuration, buffer usage, and queue sizes, these issues are beyond the scope of this book. Consult ...

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