February 1998
Intermediate to advanced
368 pages
10h 7m
English
Content preview from OSPF: Anatomy of an Internet Routing ProtocolBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 12. Debugging Routing Problems
Network administrators can be assured that their routing will break every once in a while. Internet routing is not yet a science—many parts of the Internet have been glued together in a hodge-podge fashion. And sometimes the glue comes loose. Fortunately a number of tools are available to help you debug the situation.
In this chapter, we survey the available tools—what they do, how they work, and their strengths and weaknesses. In addition to being used by network administrators, some of these tools may be used by users of the network to diagnose routing problems before reporting them to their ISPs. For example, the first two tools that we examine, ping and traceroute, are often performed by network users. ...
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