Novell NETWARE 6-DOCUMENTATION Manual page 1496

Noarp is used to add the secondary IP address as the non-ARPable one.
If you don't use noarp, it will be added as ARPable. Prompt allows you
to select from the available interfaces. If you don't use prompt, it will be
added to the first bound interface of the same network.
2
Delete the secondary IP address by entering the following command:
del secondary IPAddress x.x.x.x
3
Display the secondary IP addresses by entering the following command:
display secondary IPAddress
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Protocols