*BSD News Article 65172


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From: jvissers@sci.kun.nl (Jos Vissers)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Multiple ip aliases in one network
Date: 1 Apr 1996 12:34:43 +0200
Organization: University of Nijmegen, The Netherlands
Lines: 14
Message-ID: <4jobg3$ou5@studs2.sci.kun.nl>
NNTP-Posting-Host: studs2.sci.kun.nl
Keywords: ip aliasing, networks
X-Newsreader: NN version 6.5.0 #7 (NOV)

Can somebody explain why I can assign multiple ip aliases to a
single ethernet card only when these other ip adresses are on
a different network.

My ed0 interface has ip address 192.168.0.9
ifconfig ed0 alias 192.168.3.9 works, so does any other address with
the network part different from previous aliases.
ifconfig ed0 alias 192.168.0.10 doesn't work, nor does any address
with the network part the same as a previous alias.

Is this an interface problem or a routing / address translation problem?

Jos