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Router# configure terminal
Router(config)# ?
access-list Add an access list entry
arp Set static arp entry
boot Modify system boot parameters
duplicate-ip Duplicate IP Address detection Global Commands
enable Modify enable password parameters
end End current mode and change to enable mode
exit Exit current mode and down to previous mode
help Description of the interactive help system
hostname Set system's network name
interface Select an interface to configure
ip Global IP configuration subcommands
line Configure a terminal line
logging Message Logging global configuration commands
mac-address-table MAC Address Table global configuration command
no Negate a command or set its defaults
quit Exit current mode and down to previous mode
route-map Create route-map or enter route-map command mode
router Enable a routing process
service Set up miscellaneous service
snmp-server Modify SNMP parameters
spanning-tree Enable Spanning Tree Protocol
vlan VLAN global configuration command
Router(config)#
From global configuration mode, you can access three additional configuration modes: The interface,
router
, and
route-map
commands are used to access their respective configuration modes.
3.3.1 Interface Configuration Mode
Many features are enabled on a per-interface basis. Interface configuration commands modify the operation
of an interface such as an Ethernet or serial port. Interface configuration commands always follow an
interface
global configuration command, which defines the interface type (Ethernet or Virtual interfaces. The
virtual interfaces are bound to VLANs and can be assigned IP addresses).
In the following example, Ethernet interface eth1 is about to be configured. The new prompt,
Router(config-if-eth1)#, indicates the interface configuration mode. In this example, the user asks
for help by requesting a list of commands.
Router(config)# interface eth1
Router(config-if-eth1)# ?
description Interface specific description
end End current mode and change to enable mode
exit Exit current mode and down to previous mode
help Description of the interactive help system
ip Interface Internet Protocol config commands
mtu Set the interface Maximum Transmission Unit (MTU)
no Negate a command or set its defaults
quit Exit current mode and down to previous mode
shutdown Shutdown the selected interface
spanning-tree Spanning Tree Protocol interface command
switchport Port operating in L2 mode
Router(config-if-eth1)#
To exit interface configuration mode and return to global configuration mode, enter the exit command. To
exit configuration mode and return to top mode, use the
end
command or press
Ctrl-Z
.