
VIP2 and the 4R Port Adapter
For example, the addresses for the 4R interface ports on the first port adapter on a VIP2 (see ) are 3/0/0 through 3/0/3 (chassis slot 3, port adapter slot 0, and interface ports 0 through 3). If the 4R port adapter were installed in port adapter slot 1, the interface addresses would be 3/1/0 through 3/1/3.
Note If you remove the 
Figure 14 4R Token Ring Interface Port Number Example (Cisco 7505 Shown)
4R port adapter
(port numbers 3/0/0, 3/0/1, 3/0/2, 3/0/3, from left to right)
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You can identify interface ports by physically checking the slot/port adapter/interface port location on the back of the router or by using software commands to display information about a specific interface or all interfaces in the router.
Using the EXEC Command Interpreter
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  | You can modify the startup configuration for Cisco 7500 series routers through the software command  | |
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  | interpreter called EXEC. To configure the interfaces for interface processors, you can use either one of  | |
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  | The setup command facility can be used after first time startup to make basic changes at any time. The  | |
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  | The configure privileged EXEC command enables you to perform advanced configurations such as  | |
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  | specifying interfaces. The EXEC interprets the commands you enter and carries out the corresponding  | |
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  | operations. You can list available EXEC commands by entering a question mark (?). You also can enter  | |
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  | a question mark to obtain more information about commands. For example, enter terminal ? to obtain  | |
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  | a list of terminal commands or show ? to obtain a list of show commands.  | |
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  | Before you use the setup or the configure command, you must have privileged access to the EXEC  | |
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  | command interpreter. The system prompt for the privileged level ends with a pound sign (#) instead of  | |
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  | an angle bracket (>). The EXEC enable command allows access to the privileged level, prompting for a  | |
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  | Follow these steps to enter the privileged level of the EXEC.  | |
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  | Step 1  | At the EXEC prompt for a router, enter the enable command: | |
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