Chapter 7: IOS Images

Commands:

b

Boots the operating system manually.

boot system

Specifies the system image that the router loads at startup.

config-register

Changes the configuration register settings.

configure terminal

Configures the terminal manually from the console terminal.

copy flash tftp

Copies the system image from Flash memory to a tftp server.

copy running-config startup-config

Stores the current configuration in RAM into NVRAM.

copy tftp flash

Downloads a new image from tftp server to Flash memory.

reload

Halts and performs a cold reset; reloads the operating system.

show flash

Displays the layout and content of Flash memory.

show running-config

Displays the current configuration in RAM.

show startup-config

Displays the saved configuration, which is the contents of NVRAM.

show startup-config

Displays the saved configuration, which is the contents of NVRAM.