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Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 4 Configure Initial Router Settings on Cisco 4000 Series ISRs
Perform Initial Configuration on Cisco 4000 Series ISRs
Configuration Examples
Configuring the GigabitEthernet Interface: Example
!
interface GigabitEthernet0/0/0
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 IP-Address OK? Method Status Protocol
GigabitEthernet0/0/0 unassigned YES NVRAM administratively down down
GigabitEthernet0/0/1 unassigned YES NVRAM administratively down down
GigabitEthernet0/0/2 unassigned YES NVRAM administratively down down
GigabitEthernet0/0/3 unassigned YES NVRAM administratively down down
GigabitEthernet0 10.0.0.1 YES manual up up
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.
Step 8
end
Example:
Router(config)# end
Returns to privileged EXEC mode.
Step 9
show ip interface brief
Example:
Router# show ip interface brief
Displays a brief status of the interfaces that are configured
for IP. Verify that the Ethernet interfaces are up and
configured correctly.
Command or Action Purpose
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