Understanding The Cli - Cisco CLI User Manual

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5. UNDERSTANDING THE CLI

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© 2021 Cisco and/or its affiliates.
The Cisco Networks command-line interface (CLI) is used to issue
configuration commands to a Cisco device over a Secure Shell (SSH)
service. SSH is a cryptographic network protocol that allows secure
operation of network services over an unsecured network.
The CLI can be regarded as a 'backup' user interface, giving an
alternative method of configuring Cisco radio transceiver and gateway
devices.
Like the RACER™ and on-board Configurator interfaces, the CLI allows
you to inspect and modify the configuration parameters of the relevant
unit.
TIP
The on-board Configurator interface features a limited set of
configuration options for most Cisco devices.
To gain access to the full set of configuration options for the
relevant Cisco device, use the RACER interface or
command-line interface to configure the device.
Command-line interface user manual
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