Cisco® Field Manual: Catalyst® Switch Configuration

1-1. Catalyst Operating System (COS)

• The COS uses a basic command-line interpreter as the user interface for configuration and management.

• The COS runs on the Network Management Processor of Catalyst 4000, 5000, and 6000 series switches.

• The command-line interface (CLI) can be accessed through the console port or by Telnet.

• The COS CLI has two basic modes for configuration and management—user mode and privileged mode.

• The COS is not case-sensitive and allows for command abbreviations.

• Help and editing features enhance the COS and make using the operating system easier.

• Syntax and usage prompts help the user deal with syntax errors.

• The COS has default settings for most of the parameters on the switch. These settings allow for the simplification of basic ...