You can use the information in this introduction to learn about the types of interfaces supported on Cisco routers and access servers and to locate configuration information for various types of interfaces.
For a complete description of the interface commands used in this book, see Chapter 4, "Configuring Interface Commands." To locate documentation of other commands that appear in this introduction, you can search online at www.cisco.com .
This introduction contains general information that applies to all interface types; it includes the following sections:
Interface Types Supported on Cisco Routers
Understanding Interface Configuration
Configuring Features Available on Any Interface