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Token Ring Interface Processor (TRIP) Installation and Configuration 23
Configuring the Interfaces
Basic Configuration Guidelines
Following are instructions for a basic configuration: enabling an interface and specifying IP routing.
You might also need to enter other configuration subcommands, depending upon the requirements
for your system configuration. (Configuration subcommands are described in the Router Products
Configuration Guide, available on UniverCD or in print.)
Step 1 After you access the privileged level of the EXEC as described in the section “Using the
EXEC Command Interpreter” on page 20, enter the configure command:
Router# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Step 2 Specify the first Token Ring interface to configure by entering the subcommand interface
type slot/port. For example, if you are configuring the Token Ring interface 0 for a TRIP
installed in slot 4, enter the following command:
Router(config)# interface tokenring 4/0
Step 3 If IP routing is enabled on the system, you can assign an IP address and subnet mask to the
interface with the ip address configuration subcommand as follows:
Router(config-int)# ip address
ip address subnet mask
Step 4 Change the default shutdown state and enable the interface:
Router(config-int)# no shutdown
When you enable the interface by using the no shutdown command, the LED for 4 Mbps
or 16 Mbps is turned on after about 5 seconds. The IN RING LED for that interface is
turned on about 5 to 18 seconds later, when the port is initialized and is connected to the
ring.
Step 5 Enter any additional configuration subcommands required.
Step 6 Repeat steps 2 through 5 for each new interface.
Step 7 When all new interfaces are configured, press Ctrl-Z (hold the Control key down and press
the Z key).
Step 8 Write the new configuration to memory by entering the following:
Router# copy running-config startup-config
[OK]
Router#
Step 9 Enter quit to exit the configuration mode:
Router# quit
You have now completed configuring the Token Ring interfaces. Check the configuration as
described in the section “Checking the Configuration.”