From owner-freebsd-net@FreeBSD.ORG  Thu Feb 12 11:38:57 2004
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id A7E4616A4CE
	for <freebsd-net@freebsd.org>; Thu, 12 Feb 2004 11:38:57 -0800 (PST)
Received: from web13603.mail.yahoo.com (web13603.mail.yahoo.com
	[216.136.175.114])
	by mx1.FreeBSD.org (Postfix) with SMTP id 8C1E643D1D
	for <freebsd-net@freebsd.org>; Thu, 12 Feb 2004 11:38:57 -0800 (PST)
	(envelope-from g_naveen_k@yahoo.com)
Message-ID: <20040212193857.58392.qmail@web13603.mail.yahoo.com>
Received: from [139.85.253.184] by web13603.mail.yahoo.com via HTTP;
	Thu, 12 Feb 2004 11:38:57 PST
Date: Thu, 12 Feb 2004 11:38:57 -0800 (PST)
From: Naveen Kumar <g_naveen_k@yahoo.com>
To: Brian Reichert <reichert@numachi.com>, freebsd-net@freebsd.org
In-Reply-To: <20040212193059.GX2429@numachi.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Subject: Re: question: source address on interface w/ aliases?
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 12 Feb 2004 19:38:57 -0000


--- Brian Reichert <reichert@numachi.com> wrote:
> I've had an expectation violated recently, and
> wanted to research
> whether my expectation was grounded in reality:
> 
>   Given an interface with a primary IP, and one or
> more aliased IP
>   addresses:
> 
>   When a process opens a connection to another host,
> which IP address
>   will be chosen as the source address?
> 
> Steven's just says 'the kernel chooses the IP
> address and port'.

Dont you have to give the local ip address(either
primary or aliases') when you do a bind on the socket
?
If you choose INADDR_ANY I am not sure which ip
address it will pick up. 



> 
> My expectation was that the primary IP address would
> be used.
> 
> Is my expectation valid?  Is there a spec that
> describes this, or
> is it up to an individual OS to do whatever it
> wants?
> 
> (I'm sorry to pester this list, as this question
> isn't actually
> specific to FreeBSD...)
> 
> I'm more than willing to do my own research, but a
> suggestion of
> useful buzzwords would be appreciated as well. :)
> 
> Thanks for your time...
> 
> -- 
> Brian Reichert				<reichert@numachi.com>
> 37 Crystal Ave. #303			Daytime number: (603)
> 434-6842
> Derry NH 03038-1713 USA			BSD admin/developer at
> large	
> _______________________________________________
> freebsd-net@freebsd.org mailing list
>
http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to
"freebsd-net-unsubscribe@freebsd.org"


__________________________________
Do you Yahoo!?
Yahoo! Finance: Get your refund fast by filing online.
http://taxes.yahoo.com/filing.html