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Date:      Tue, 17 Jul 2001 22:28:21 -0400
From:      Mike Tancsa <mike@sentex.net>
To:        peter@guest-tek.com (Peter Warrick)
Cc:        questions@freebsd.org
Subject:   Re: Routing
Message-ID:  <frs9ltg09sliq720oks548hcss5khves09@4ax.com>
In-Reply-To: <SEN.995332715.518944271@news.sentex.net>
References:  <SEN.995332715.518944271@news.sentex.net>

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On 16 Jul 2001 21:18:35 -0400, in sentex.lists.freebsd.questions you =
wrote:

>Ok.. Hopefully I have sent this to the right place.
>
>I sent in a question to freebsd-net earlier but maybe some clarification=
=20
>here might help. I am trying to reproduce the same functionality that I=20
>have achieved on Redhat Linux on a BSD box.
>
>In Redhat linux if I issue these commands..
>
>ifconfig eth1:0 1.2.3.1 netmask 255.255.255.255
>route add -host 1.2.3.4 dev eth1:0
>
>A computer connected to my BSD box (1.2.3.4) can then start pinging=20
>1.2.3.1 immediately. Additionally this does NOT bring the entire 1.2.3.x=
=20
>subnet onto my BSD box and this is what I want. I simply want to route=20
>these two IPs together so they can talk to each other.
>
>On BSD I have tried the following without success...
>
>ifconfig en1 1.2.3.1 netmask 255.255.255.255 broadcast 1.255.255.255=20
>alias
>route add -host 1.2.3.4 -interface en1

If you have 2 IP address that you want to alias onto the machine who has
lets say 192.168.1.1/28,=20

ifconfig lo0 1.2.3.1 netmask 255.255.255.255 alias
ifconfig lo0 1.2.3.4 netmask 255.255.255.255 alias

As long as the *outside* world knows how to get to these 2 host routes, =
you
dont need to do anything else.

	---Mike

Mike Tancsa  (mdtancsa@sentex.net)	=09
Sentex Communications Corp,   	=09
Waterloo, Ontario, Canada
"Given enough time, 100 monkeys on 100 routers=20
could setup a national IP network." (KDW2)

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