May 2002
Intermediate to advanced
912 pages
22h 26m
English
Content preview from Troubleshooting IP Routing ProtocolsBecome 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 11. Troubleshooting IS-IS
This chapter covers the following key topics:
• Troubleshooting of IS-IS adjacency problems
• Troubleshooting of IS-IS routing update problems
• Case study: ISDN configuration problem
Chapter 10, “Understanding Intermediate System-to-Intermediate System (IS-IS),” provides an overview of the IS-IS routing protocol, covering IS-IS protocol concepts and basic con-figuration on Cisco routers. In line with the overall theme of this book, this chapter covers troubleshooting of IS-IS routing problems. Cisco routers and IOS Software provide the framework for the ensuing discussions, which focus on only IP-related issues. Two main categories of IS-IS routing problems exist:
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