Summary of Multiple IP's On Same Interface

From: Mark Allyn (
Date: Tue Jan 31 1995 - 11:28:04 CST


I would like to thank everyone for their help on my
question regarding multiple IP addresses on the same
ethernet interface on a Sun.

Here is a summary of what I found out:

For Solaris 2.* (The new AT&T based Solaris); there
is a method built in. It goes something like this:

ifconfig le0 (first IP)
ifconfig le0:1 (second IP)
ifconfig le0:2 (third IP)
 and so fourth

For SunOs 4.1.3 and 4.1.4 (The old BSD based Solaris); you have
to get a piece of software called vif (virtual interface)
which is available at anonymous ftp from

I would like to thank Steinar Haug of the University of Trondheim,
Norway, who released this system, along with John Ioannidis, who
wrote it.

I would also like to thank Jon Diekema for emailing a shell
archive of this system to me!

Here are the folks who responded to me. Thanks!!

Roland Kaltefleiter
Steinar Haug
Jing Zhang
Jon Diekema esseye!!
John Justin Hough
Pedro Nunes viper!!

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