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Configuring the Interfaces
Configuring the Interfaces
After you verify that the new PA-4E1G is installed correctly (the enabled LED goes on), use the
privileged-level configure command to configure the new interfaces. Have the following information
available:
•
•
•
•
If you installed a new PA-4E1G or if you want to change the configuration of an existing interface, you
must enter configuration mode to configure the new interfaces. If you replaced a PA-4E1G that was
previously configured, the system recognizes the new interfaces and brings them up in their existing
configurations.
For a summary of the configuration options available and instructions for configuring interfaces on a
PA-4E1G, refer to the appropriate configuration publications listed in the
section on page
You execute configuration commands from the privileged level of the EXEC command interpreter, which
usually requires password access. Contact your system administrator, if necessary, to obtain password
access. (See the
privileged level of the EXEC.)
This section contains the following subsections:
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•
Shutting Down an Interface
Before you remove an interface that you will not replace, or replace port adapters, use the shutdown
command to shut down (disable) the interfaces to prevent anomalies when you reinstall the new or
reconfigured port adapter. When you shut down an interface, it is designated administratively down in
the show command displays.
Follow these steps to shut down an interface:
Step 1
Enter the privileged level of the EXEC command interpreter (also called enable mode). (See the
the EXEC Command Interpreter" section on page 4-1
Step 2
At the privileged-level prompt, enter configuration mode and specify that the console terminal is the
source of the configuration subcommands, as follows:
Router# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#
Step 3
Shut down interfaces by entering the interface serial subcommand (followed by the interface address of
the interface), and then enter the shutdown command.
When you have finished, press Ctrl-Z—hold down the Control key while you press Z—or enter end or
exit to exit configuration mode and return to the EXEC command interpreter.
PA-4E1G Serial Port Adapter Installation and Configuration
4-2
Protocols you plan to route on each new interface
IP addresses, if you plan to configure the interfaces for IP routing
Bridging protocols you plan to use
Clock timing source you plan to use for each new interface and clock speeds for external timing
viii.
"Using the EXEC Command Interpreter" section on page 4-1
Shutting Down an Interface, page 4-2
Performing a Basic Interface Configuration, page 4-7
Chapter 4
"Related Documentation"
for an explanation of the
for instructions.)
Configuring the PA-4E1G
"Using
OL-3065-05
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