From owner-freebsd-hackers@FreeBSD.ORG Tue Jul 12 21:37:55 2005 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 61C5C16A41C; Tue, 12 Jul 2005 21:37:55 +0000 (GMT) (envelope-from john@essenz.com) Received: from beck.quonix.net (beck.quonix.net [146.145.66.90]) by mx1.FreeBSD.org (Postfix) with ESMTP id 08A4143D46; Tue, 12 Jul 2005 21:37:54 +0000 (GMT) (envelope-from john@essenz.com) Received: from beck.quonix.net (localhost [127.0.0.1]) by beck.quonix.net (8.13.4/8.13.4) with ESMTP id j6CLbmSl070247; Tue, 12 Jul 2005 17:37:48 -0400 (EDT) Received: from localhost (essenz@localhost) by beck.quonix.net (8.13.4/8.13.4/Submit) with ESMTP id j6CLbmCt070244; Tue, 12 Jul 2005 17:37:48 -0400 (EDT) X-Authentication-Warning: beck.quonix.net: essenz owned process doing -bs Date: Tue, 12 Jul 2005 17:37:48 -0400 (EDT) From: John Von Essen X-X-Sender: essenz@beck.quonix.net To: Mario Lobo In-Reply-To: <42D40B57.2968.2A42E0@localhost> Message-ID: <20050712173538.I60899@beck.quonix.net> References: <42D3A7A1.17453.488500C@localhost> <42D40B57.2968.2A42E0@localhost> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE X-SpamAssassin-3.0.3-Score: -2.82/5.8 ALL_TRUSTED X-MimeDefang-2.51: beck.quonix.net X-Scanned-By: MIMEDefang 2.51 on 146.145.66.90 Cc: freebsd-hackers@freebsd.org, freebsd-questions@freebsd.org Subject: Re: Forcing a packet through an interface (OT?) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jul 2005 21:37:55 -0000 Yep, that'll do it. Just choose two time servers that you would never need to use in real life. From google, you should be able to find a list of nearby public time servers. -john On Tue, 12 Jul 2005, Mario Lobo wrote: > That sounds close to what I need !! > > > > 1) rl0 -----------> router ----------> antenna ------> ISPx ------> = internet > > So would it be something like: > route add -host ${ip.of.public.host} netmask 255.255.255.255 gateway ${ip= =2Eof.rl0} > > is that correct? > > In this case that host will be "sacrificed", if rl0 is down. > > Do you have any suggestions on time or whois servers? Don't worry > because the pings I send are standard 56 bytes long. > > Thanks John ! > > P.S. - I'm replying to your post from my home e-mail. I made the post fro= m my work e-mail. > -- > //| //|| > // | // || > -//--//--|| ARIO LOBO > // // || > --------------------------------- > mlobo@ocp.nlink.com.br > http://mariolobo.70d.com > http://www.mallavoodoo.com.br > > > > Mario, > > > > I think the only way to do what you want is to find two hosts on the > > internet that don't conflict with what you do on a day to day basis. Th= en > > add custom routes for those two specific hosts, and with those routes, = you > > force traffic through each NIC. > > > > A perfect example of two public servers would be time or whois servers. > > Just be nice and dont ping too much (i.e., only send two "small" pings > > every 2 minutes or something). > > > > -john > > > > On Tue, 12 Jul 2005, Mario Lobo wrote: > > > > > Yeah Stefan. They do take the default route. That is what I am alread= y doing. > > > > > > I even wrote a little prog using a variation of ping to do just that. > > > > > > The problem lies with the fact that, there is a router between my rl0= and the internet. > > > > > > > > > > So the fact that i can ping the hop next to rl0 doesn=B4t mean the li= nk is up :(. > > > > > > That is why I NEED to ping something on the internet. > > > > > > Thanks, > > > -- > > > //| //|| > > > // | // || > > > -//--//---|| ARIO LOBO > > > // // || > > > --------------------------------- > > > mario.lobo@ipad.com.br > > > http://www.ipad.com.br > > > > > > > > > On 12 Jul 2005 at 15:48, stsp@stsp.in-berlin.de wrote: > > > > > > > In case you got a static IP on rl0 from ISP x (and rl0 is up), > > > > > > > > =09ping -I www.google.com > > > > > > > > might help. > > > > > > > > Just a guess though. Packets might still take the default route, ev= en with -I. > > > > > > > > Good luck, > > > > -- > > > > stefan > > > > http://stsp.in-berlin.de PGP Key: 0= xF59D25F0 > > > > _______________________________________________ > > > > freebsd-hackers@freebsd.org mailing list > > > > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > > > > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freeb= sd.org" > > > > > > > > > _______________________________________________ > > > freebsd-hackers@freebsd.org mailing list > > > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > > > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd= =2Eorg" > > > > > > > > _______________________________________________ > > freebsd-hackers@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.o= rg" > > > > > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org= " > >