Cisco Initial Access and Modes
Cisco Initial Access and Modes
To access and navigate Cisco IOS, you must understand the hierarchical command-line interface (CLI) structure.
Primary Command Modes
| Mode | Prompt | Commands |
|---|---|---|
| User EXEC | Router> | ping, show (limited) |
| Privileged EXEC | Router# | enable from User EXEC. Full show commands, copy running-config startup-config |
| Global Configuration | Router(config)# | configure terminal from Privileged EXEC. Device-wide settings like hostname |
| Interface/Line Config | Router(config-if)# | interface <type> <number> from Global Config. |
Essential Commands
Router> enable
Router# configure terminal
Router(config)# interface gigabitethernet 0/0
Router(config-if)# exit
Router(config)# line vty 0 4
Router(config-line)# exit
Router(config)# end
Router# disable