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Creating or removing aliases

You can create or remove an alias if you are changing the IP address of an interface. You should use the alias command to create an alias IP address, and use the -alias command to remove an alias IP address.

About this task

Step

  1. To create or remove an alias, enter the following command: ifconfig interface_name [-]alias address

    Example

    The following example creates the alias IP address 192.0.2.30 for the interface e0 (already configured with IP address 192.0.2.21): ifconfig e0 alias 192.0.2.30

    The following example removes the 192.0.2.30 alias for the interface e0 specified in the previous example: ifconfig e0 -alias 192.0.2.30