# About this Guide

This preface describes the Release Change Reference, how it is organized and its document conventions.

This book includes new feature descriptions and configuration, performance, and security changes for the 14.0 release. The Release Change Reference is separated into individual chapters per product and also includes chapters for system-level, SNMP MIB, and accounting management changes. Each chapter is also separated into sections that indicate the changes to the product documentation sorted by the date that this change was included in the product documentation.

For new feature descriptions and configuration, performance, and security changes that occurred in earlier releases, see the Release Change References for those releases.

## Conventions Used

The following tables describe the conventions used throughout this documentation.

Icon | Notice Type | Description
--- | --- | ---
| Information Note | Provides information about important features or instructions.
| Caution | Alerts you of potential damage to a program, device, or system.
| Warning | Alerts you of potential personal injury or fatality. May also alert you of potential electrical hazards.

Typeface Conventions | Description
--- | ---
Text represented as a `screen display` | This typeface represents displays that appear on your terminal screen, for example: `Login:`
Text represented as commands | This typeface represents commands that you enter, for example: show ip access-list This document always gives the full form of a command in lowercase letters. Commands are not case sensitive.
Text represented as a command variable | This typeface represents a variable that is part of a command, for example: show card slot_number slot_number is a variable representing the desired chassis slot number.
Text represented as menu or sub-menu names | This typeface represents menus and sub-menus that you access within a software application, for example: Click the File menu, then click New

## Supported Documents and Resources

Related Documentation

The most up-to-date information for this product is available in the product Release Notes provided with each product release.

The following common documents are available:

- Hardware Installation Guide (hardware dependent)
- System Administration Guide (hardware dependent)
- Product Administration Guide (product specific)
- Command Line Interface Reference (network dependent)
- For StarOS 12.3 and earlier releases: AAA and GTPP Interface Administration Reference
- For StarOS 14.0 and later releases: AAA Interface Administration and Reference
- For StarOS 14.0 and later releases: GTPP Interface Administration and Reference
- Product Overview
- Statistics and Counters Reference
- Thresholding Configuration Guide

Obtaining Documentation

The most current Cisco documentation is available on the following website:

http://www.cisco.com/cisco/web/psa/default.html

## Contacting Customer Support

Use the information in this section to contact customer support.

Refer to the support area of http://www.cisco.com for up-to-date product documentation or to submit a service request. A valid username and password are required to access this site. Please contact your Cisco sales or service representative for additional information.