What is a CLI
Command-line interface.
The interface you use to configure Cisco devices.
How to connect to a Cisco device ?
Via the Console Port.
Rollover cable
A cable RJ-45 to DB9 is used to connect to the console port.
Putty
Is used to connect to the CLI.
Configuration of Serial
Speed (baud): 9600
Data bits: 8
Stop bit: 1
Parity: None
Flow control: None
Modes
User EXEC
User EXEC mode is very limited.
Users can look at some things, but can't make any changes to the configurations.
Also called 'user mode'
Privileged EXEC
A user can enter Privileged EXEC by typing enable.
Provides complete access to view the device's configurations, restart the device, etc.
Cannot change the configurations but can change the time on the device, save the configuration file, etc.
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