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Configuring the Interfaces
Reenable interfaces by doing the following:
Step 6
a.
b.
c.
For complete descriptions of software configuration commands, refer to the publications listed in the
"Related Documentation" section on page
Performing a Basic Configuration
Following are instructions for a basic configuration: enabling an interface and specifying IP routing.
You might also need to enter other configuration subcommands, depending on the requirements for your
system configuration and the protocols you plan to route on the interface. For complete descriptions of
configuration subcommands and the configuration options available for serial interfaces, refer to the
appropriate software documentation.
In the following procedure, press the Return key after each step unless otherwise noted. At any time
you can exit the privileged level and return to the user level by entering disable at the prompt as follows:
Router# disable
Router>
Enter configuration mode and specify that the console terminal is the source of the configuration
Step 1
subcommands, as follows:
Router# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#
Specify the first interface to configure by entering the interface serial subcommand, followed by the
Step 2
interface address of the interface you plan to configure.
Table 4-3
Examples of the interface serial Subcommand
Platform
Cisco 7304 router
Step 3
Assign an IP address and subnet mask to the interface (if IP routing is enabled on the system) by using
the ip address subcommand, as in the following example:
Router(config-if)# ip address 10.0.0.0 10.255.255.255
Step 4
Add any additional configuration subcommands required to enable routing protocols and set the
interface characteristics.
Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration
4-4
Repeat Step 3 to reenable an interface. Substitute the no shutdown command for the shutdown
command.
Repeat Step 4 to write the new configuration to memory.
Use the copy running-config startup-config command.
Repeat Step 5 to verify that the interfaces are in the correct state. Use the
show interfaces command followed by the interface type and interface address of the interface.
Command
interface serial, followed by
slot/port (slot-number/
interface-port-number)
Chapter 4
viii.
Table 4-3
provides an example.
Example
The example is for the first interface of a
6T3 line card in slot 4.
Router(config)# interface serial 4/0
Router(config-if)#
Configuring the 6T3 Line Card
OL-3449-02
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