Chapter 10. Understanding Intermediate System-to-Intermediate System (IS-IS)

This chapter covers the following key topics:

IS-IS protocol overview

IS-IS protocol concepts

IS-IS link-state database

Configuring IS-IS for IP routing

This chapter presents the fundamental concepts behind the Intermediate System-to-Intermediate System (IS-IS) routing protocol. Specifically, the material covered is slanted toward Integrated IS-IS and its usability for routing in IP environments.

The IS-IS protocol is one of the popular Interior Gateway Protocols (IGP) used on the Internet. OSPF, which is also covered in this book, is another popular IGP. The IS-IS protocol architecture easily lends itself to adaptation for various applications. IS-IS is one ...

Get Troubleshooting IP Routing Protocols now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.