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From: gruner@Informatik.TU-Muenchen.DE (Armin Gruner)
Newsgroups: comp.os.386bsd.questions,comp.os.386bsd.misc
Subject: Re: Multiple IP addresses for a single interface
Date: 18 Jan 1995 14:53:51 GMT
Organization: Technische Universitaet Muenchen, Germany
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croehrig@cs.ubc.ca (Chris Roehrig) writes:


>I notice that 4.4BSD has SIOCAIFADDR and SIOCDIFADDR ioctls for apparently  
>dealing with more than one IP address for a physical interface.   Looks  
>like ifconfig makes use of them too.

>Does this work for configuring a single ethernet interface to have more  
>than one IP address?  Has anybody tried this to make a single machine  
>appear to be two separate Internet nodes?

Yes, ifconfig <if-name> alias <alternate IP-address>