From owner-freebsd-questions Sun Jan 6 23:46:43 2002 Delivered-To: freebsd-questions@freebsd.org Received: from pintail.mail.pas.earthlink.net (pintail.mail.pas.earthlink.net [207.217.120.122]) by hub.freebsd.org (Postfix) with ESMTP id 9070337B402; Sun, 6 Jan 2002 23:46:39 -0800 (PST) Received: from user-33qtnie.dialup.mindspring.com ([199.174.222.78] helo=gohan.cjclark.org) by pintail.mail.pas.earthlink.net with esmtp (Exim 3.33 #1) id 16NUUK-00031C-00; Sun, 06 Jan 2002 23:46:34 -0800 Received: (from cjc@localhost) by gohan.cjclark.org (8.11.6/8.11.1) id g077kC403602; Sun, 6 Jan 2002 23:46:12 -0800 (PST) (envelope-from cjc) Date: Sun, 6 Jan 2002 23:46:11 -0800 From: "Crist J. Clark" To: Len Conrad Cc: Freebsd-questions@FreeBSD.ORG, freebsd-net@FreeBSD.ORG Subject: Re: multi-NIC broadcasting: it isn't Message-ID: <20020106234611.J2029@gohan.cjclark.org> Reply-To: cjclark@alum.mit.edu References: <5.1.0.14.2.20020105114006.0291fec0@mail.Go2France.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <5.1.0.14.2.20020105114006.0291fec0@mail.Go2France.com>; from LConrad@Go2France.com on Sun, Jan 06, 2002 at 09:29:42PM -0600 X-URL: http://people.freebsd.org/~cjc/ Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Sun, Jan 06, 2002 at 09:29:42PM -0600, Len Conrad wrote: > 4.4-20020101-STABLE with 5 nics > > ifconfig_fxp0="inet 10.1.1.1 netmask 255.255.255.0 media autoselect" > ifconfig_fxp1="inet 10.1.2.1 netmask 255.255.255.0 media autoselect" > ifconfig_fxp2="inet 192.168.253.59 netmask 255.255.255.0 media autoselect" > ifconfig_fxp3="inet 10.1.4.1 netmask 255.255.255.0 media autoselect" > ifconfig_fxp4="inet 10.1.5.1 netmask 255.255.255.0 media autoselect" > > we can ping from a PC on net 10.1.5.0/24 to a PC on net 10.1.1.0/24, so box > as gateway and routing are working. > > then send broadcasts from the PC on 10.1.5.0/24 to these ports: > > 255.255.255.255 port 26790 > 255.255.255.255 port 26791 > 255.255.255.255 port 26792 > 255.255.255.255 port 26793 > > trafshow indicates that broadcasts originate on 10.1.5.0/24, but nothing > appears on the other nets. > > Suggestions where to look? Uh, nowhere? That is the required behavior. 255.255.255.255 is the _local_ broadcast address. It never crosses a router. -- "It's always funny until someone gets hurt. Then it's hilarious." Crist J. Clark | cjclark@alum.mit.edu | cjclark@jhu.edu http://people.freebsd.org/~cjc/ | cjc@freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message