Chapter 1
CLI Usage
Refer to the following sections for information about these topics:
■ 1-1: Cisco Internetwork Operating System (IOS) Software: Describes the use of
Cisco IOS Software for switching configuration
■ 1-2: ROM Monitor: Describes the use of the ROM monitor for recovery of a switch
and configuration of boot parameters
1-1: Cisco Internetwork Operating System (IOS)
Software
■ Cisco IOS Software supports user access by CLI or by a web browser.
■ The CLI can be accessed through the console port, Telnet, or through SSH.
■ Users can execute Cisco IOS Software commands from a user level or from a
privileged level. User level offers basic system information and remote connectivity
commands. Privileged level offers complete access to all switch information, configu-
ration editing, and debugging commands.
■ Cisco IOS Software offers many levels of configuration modes, enabling you to
change the configuration for a variety of switch resources.
■ Cisco IOS Software offers a VLAN database mode to configure and modify VLAN
and VLAN Trunking Protocol (VTP) information.
■ A context-sensitive help system offers command syntax and command choices at
any user prompt.
■ A history of Cisco IOS Software commands executed can be kept. As well, com-
mand lines can be edited and reused.
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