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Shutting Down an Interface
PA-4T+ Synchronous Serial Port Adapter Installation and Configuration8-6
Step 2 At the privileged-level prompt, enter configuration mode and specify that the console
terminal will be 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 For a Cisco 7200 series, Cisco uBR7200 series, or Cisco 7100 series router, specify the
slot/port address of the first interface that you want shut down by entering the
subcommand interface, followed by the type (serial) and slot/port (port adapter
slot number/0). The example that follows is for a port adapter in slot 1:
Router(config)# interface serial 1/0
For a VIP2, specify the slot/port address of the first interface that you want shut down by
entering the subcommand interface, followed by thetype (serial) and slot/port (interface
processor slot number/0). The example that follows is for a VIP2 in interface processor
slot 3:
Router(config)# interface serial 3/0
Step 4 Enter the shutdown command as follows:
Router(config-if)# shutdown
Step 5 To shut down additional interfaces, enter theslot/port address of each additional interface
followed by the shutdown command. When you have entered all the interfaces to be shut
down, press Ctrl-Z (hold down the Control key while you press Z) or enter end to exit
configuration mode and return to the EXEC command interpreter prompt.
For a Cisco 7100 series, Cisco 7200 series or Cisco uBR7200 series router, use the
following example:
Router(config-if)# interface serial 1/0
Router(config-if)# shutdown
Router(config-if)# interface serial 1/1
Router(config-if)# shutdown
Ctrl-Z
Router#
For a VIP2, use the following example:
Router(config-if)# interface serial 3/0
Router(config-if)# shutdown
Router(config-if)# interface serial 3/0
Router(config-if)# shutdown
Ctrl-Z
Router#
Step 6 Write the new configuration to memory as follows:
Router# copy running-config startup-config
[OK]
Router#
The system displays an OK message when the configuration has been stored.
Step 7 Verify that new interfaces are now in the correct state (shutdown). To do so, use the show
interfaces serial slot/port command to display the specific interface, or use the show
interfaces command, without variables, to display the status of all interfaces in the
system.