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# Configure an IP interface for OR or RE ports

Unisphere supports the ability to configure an IP interface for OR or RE ports.

## Prerequisites

An IP interface cannot be created if an IP interface is already attached.

An IP interface cannot be modified or deleted if an IP interface is not attached.

## Steps

1. Select the storage system.
2. Select System > Hardware.
3. Click the OR Directors or RDF Directors tab.
4. If you selected the OR Directors tab, do one of the following:
   - - Select an offline GigE port, click , and then click SRDF GigE > Create IP Interface.
     - Enter values for IP Address, Prefix, Default Gateway, and Maximum Transmission Unit.
     - Do one of the following:
       - Click Run Now.
       - Click Add to Job List. The task is added to the job list, from which you can schedule or run the task at your convenience. For more information, see Schedule jobs and Preview jobs.
   - - Select an offline GigE port, click , and then click SRDF GigE > Modify IP Interface.
     - Enter values for IP Address, Prefix, and Maximum Transmission Unit.
     - Do one of the following:
       - Click Run Now.
       - Click Add to Job List. The task is added to the job list, from which you can schedule or run the task at your convenience. For more information, see Schedule jobs and Preview jobs.
   - - Select an offline GigE port, click , and then click SRDF GigE > Delete IP Interface.
     - Click OK.
5. If you selected the RDF Directors tab, do one of the following:
   - - Select the RE port, click , and then click RE Configuration > Create IP Interface.
     - Enter values for IP Address, Prefix, Default Gateway, and Maximum Transmission Unit.
     - Do one of the following:
       - Click Run Now.
       - Click Add to Job List. The task is added to the job list, from which you can schedule or run the task at your convenience. For more information, see Schedule jobs and Preview jobs.
   - - Select the RE port, click , and then click RE Configuration > Modify IP Interface.
     - Enter values for IP Address, Prefix, and Maximum Transmission Unit.
     - Do one of the following:
       - Click Run Now.
       - Click Add to Job List. The task is added to the job list, from which you can schedule or run the task at your convenience. For more information, see Schedule jobs and Preview jobs.
   - - Select the RE port, click , and then click RE Configuration > Delete IP Interface.
     - Click OK.