Cisco Systems 1900 Series manual Configuring the GigabitEthernet Interface

Chapter 5 Configuring the Router

Performing the Initial Configuration on the Router

	Command or Action	Purpose
Step 4
	interface {fastethernet gigabitethernet}	Specifies the Ethernet interface and enters interface
	0/port	configuration mode.
	Example:	Note	For information on interface numbering, see the
			software configuration guide.
	Router(config)# interface gigabitethernet 0/0
Step 5
	description string	(Optional) Adds a description to an interface configuration.
		• The description helps you remember what is attached to
	Example:		this interface. The description can be useful for
	Router(config-if)# description GE int to 2nd		troubleshooting.
	floor south wing
Step 6
	ip address ip-address mask	Sets a primary IP address for an interface.
	Example:
	Router(config-if)# ip address 172.16.74.3
	255.255.255.0
Step 7
	no shutdown	Enables an interface.
	Example:
	Router(config-if)# no shutdown
Step 8
	end	Returns to privileged EXEC mode.
	Example:
	Router(config)# end
Step 9
	show ip interface brief	Displays a brief status of the interfaces that are configured
		for IP.
	Example:	• Verify that the Ethernet interfaces are up and
	Router# show ip interface brief		configured correctly.

Examples

Configuring the GigabitEthernet Interface

!

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	IP-Address	OK? Method Status			Protocol
GigabitEthernet0/0	172.16.3.3	YES	NVRAM	up	up
GigabitEthernet0/1	unassigned	YES	NVRAM	administratively down down
Router#

	Cisco 1900 Series Hardware Installation
OL-19084-02		5-13