*BSD News Article 58316


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From: sklower@oboe.CS.Berkeley.EDU (Keith Sklower)
Newsgroups: comp.unix.bsd.bsdi.misc
Subject: Re: multiple ip addresses, BSDI 2.0, & Netscape comm. server.
Date: 28 Dec 1995 06:02:50 GMT
Organization: University of California, Berkeley
Lines: 40
Message-ID: <4btbua$ovp@agate.berkeley.edu>
References: <30D59491.4D80@neosoft.com> <4bq0lv$6a7@boris.eden.com>
NNTP-Posting-Host: oboe.cs.berkeley.edu

In article <4bq0lv$6a7@boris.eden.com>, Paul Walhus <terry@eden.com> wrote:
}We need the same.
}paul murray (echo@neosoft.com) wrote:
}: does anyone have experience with setting up a BSDI 2.0 system 
}: to listen to multiple IP addresses ?

Well, I haven't done this on a BSDI system, but the networking code
is pretty much identical to 4.4 lite and should work the same way:

gauguin# ifconfig le0 inet alias 128.32.33.192 netmask 255.255.255.0
ifconfig: ioctl (SIOCAIFADDR): File exists
gauguin# netstat -in
Name  Mtu   Network     Address            Ipkts Ierrs    Opkts Oerrs  Coll
le0   1500  <Link>      8.0.9.13.33.30  130034747  3003    31311    21 109344
le0   1500  128.32.33/2 128.32.33.42    130034747  3003    31311    21 109344
le0   1500  128.32.33/2 128.32.33.192   130034747  3003    31311    21 109344

The error that is reported is because there is already a route to 128.32.33/24
but it went ahead and added an interface address to le0, and the system
is *supposed* to respond to the second address:

I tried the following from argo.cs.berkeley.edu:

% telnet 128.32.33.192
Trying 128.32.33.192...
Connected to 128.32.33.192.
Escape character is '^]'.


4.4BSD-Lite (gauguin.CS.Berkeley.EDU) (ttyp0)

login: Connection closed by foreign host.

Yup! it did!

}: the purpose of doing this would be to setup my netscape 
}: communications server to answer requests for different ip's.

Don't have a clue whether or not the netscape server is smart enough
to check for that.