Cisco 2900 Series Installation Manual page 140

Performing the Initial Configuration on the Router
Command or Action
Step 4
interface {fastethernet | gigabitethernet}
0/port
Example:
Router(config)# interface gigabitethernet 0/0
Step 5
description string
Example:
Router(config-if)# description GE int to 2nd
floor south wing
Step 6
ip address ip-address mask
Example:
Router(config-if)# ip address 172.16.74.3
255.255.255.0
Step 7
no shutdown
Example:
Router(config-if)# no shutdown
Step 8
end
Example:
Router(config)# end
Step 9
show ip interface brief
Example:
Router# show ip interface brief
Examples
Configuring the GigabitEthernet Interface: Example
!
interface GigabitEthernet0/0
description GE int to HR group
ip address 172.16.3.3 255.255.255.0
duplex auto
speed auto
no shutdown
!
Sample Output for the show ip interface brief Command
Router# show ip interface brief
Interface
GigabitEthernet0/0
GigabitEthernet0/1
Router#
Cisco 2900 and 3900 Series Hardware Installation
4-14
Purpose
Specifies the Ethernet interface and enters interface
configuration mode.
Note For information on interface numbering, see the
software configuration guide.
(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.
Sets a primary IP address for an interface.
Enables an interface.
Returns to privileged EXEC mode.
Displays a brief status of the interfaces that are configured
for IP.
Verify that the Ethernet interfaces are up and
•
configured correctly.
IP-Address OK? Method Status
172.16.3.3 YES NVRAM
unassigned YES NVRAM
Chapter 4 Configuring the Router
Protocol
up up
administratively down down