Cisco WS-C1912-A Hardware Installation Guide - Page 87

Command or Action, Purpose, Examples

Page 87 highlights

Chapter 5 Configuring the Router Performing the Initial Configuration on the Router Step 4 Command or Action interface {fastethernet | gigabitethernet} 0/port Step 5 Example: Router(config)# interface gigabitethernet 0/0 description string Step 6 Example: Router(config-if)# description GE int to 2nd floor south wing ip address ip-address mask 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. Step 7 Example: Router(config-if)# ip address 172.16.74.3 255.255.255.0 no shutdown Enables an interface. Step 8 Example: Router(config-if)# no shutdown end Returns to privileged EXEC mode. Step 9 Example: Router(config)# end 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. 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 GigabitEthernet0/0 GigabitEthernet0/1 Router# IP-Address 172.16.3.3 unassigned OK? Method Status Protocol YES NVRAM up up YES NVRAM administratively down down OL-19084-02 Cisco 1900 Series Hardware Installation 5-13

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5-13
Cisco 1900 Series Hardware Installation
OL-19084-02
Chapter 5
Configuring the Router
Performing the Initial Configuration on the Router
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#
Step 4
interface
{
fastethernet
|
gigabitethernet
}
0/
port
Example:
Router(config)# interface gigabitethernet 0/0
Specifies the Ethernet interface and enters interface
configuration mode.
Note
For information on interface numbering, see the
software configuration guide.
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