
Router# configure terminal
Router(config)# ?
Add an access list entry  | |
arp  | Set static arp entry  | 
boot  | Modify system boot parameters  | 
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 global configuration command  | |
no  | Negate a command or set its defaults  | 
quit  | Exit current mode and down to previous mode  | 
Create   | |
router  | Enable a routing process  | 
service  | Set up miscellaneous service  | 
Modify SNMP parameters  | |
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 
3.3.1 Interface Configuration Mode
Many features are enabled on a 
In the following example, Ethernet interface eth1 is about to be configured. The new prompt, 
Router(config)# interface 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 Protocol interface command  | |
switchport  | Port operating in L2 mode  | 
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 
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