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Hardware Installation Guide for the Cisco 4451-X Integrated Services Router
OL-27644-01
Chapter 4 Initial Configuration
Performing the Initial Configuration on the Router
4. interface {fastethernet | gigabitethernet} 0/0/port
5. description string
6. ip address ip-address mask
7. no shutdown
8. end
9. show ip interface brief
DETAILED STEPS
Command or Action Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
show ip interface brief
Example:
Router# show ip interface brief
Displays a brief status of the interfaces that are configured
for IP.
• Learn which type of Ethernet interface is on your
router.
Step 3
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 4
interface {fastethernet | gigabitethernet}
0/
port
Example:
Router(config)# interface gigabitethernet 0/0/0
Specifies the Ethernet interface and enters interface
configuration mode.
Note For information on interface numbering, see About
Slot, Subslot (Bay), and Port Numbering,
page 1-17.
Step 5
description
string
Example:
Router(config-if)# description GE int to 2nd
floor south wing
(Optional) Adds a description to an interface configuration.
• The description helps you remember what is attached to
this interface. The description can be useful for
troubleshooting.
Step 6
ip address
ip-address mask
Example:
Router(config-if)# ip address 172.16.74.3
255.255.255.0
Sets a primary IP address for an interface.
Step 7
no shutdown
Example:
Router(config-if)# no shutdown
Enables an interface.