You are currently viewing Cisco IOS Basic Configuration Commands

Cisco IOS Basic Configuration Commands

Command Purpose
enableLogs you into enable mode, which is also known as user exec mode or privileged mode
configure terminalLogs you into configuration mode
interface fastethernet/numberEnters interface configuration mode for the specified fast ethernet interface
reloadAn exec mode command that reboots a Cisco switch or router
hostname nameSets a host name to the current Cisco network device
copy from-location to-locationAn enable mode command that copies files from one file location to another
copy running-config startup-configAn enable mode command that saves the active config, replacing the startup config when a Cisco network device initializes
copy startup-config running-configAn enable mode command that merges the startup config with the currently active config in RAM
write eraseerase startup-configAn enable mode command that deletes the startup config
ip address ip-address maskAssigns an IP address and a subnet mask
shutdownno shutdownUsed in interface configuration mode. “Shutdown” shuts down the interface, while “no shutdown” brings up the interface.
ip default-gateway ip_addressSets the default gateway on a Cisco device
show running-configAn enable mode command that displays the current configuration
description name-stringA config interface command to describe or name an interface
show running-config interface interface slot/numberAn enable mode command to display the running configuration for a specific interface
show ip interface [type number]Displays the usability status of interfaces that are configured for IP
ip name-server serverip-1 serverip-2A configure mode command that sets the IP addresses of DNS servers