From owner-freebsd-questions@FreeBSD.ORG Tue Jan 13 11:12:46 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E7735106564A for ; Tue, 13 Jan 2009 11:12:46 +0000 (UTC) (envelope-from odhiambo@gmail.com) Received: from mail-bw0-f20.google.com (mail-bw0-f20.google.com [209.85.218.20]) by mx1.freebsd.org (Postfix) with ESMTP id 475B88FC18 for ; Tue, 13 Jan 2009 11:12:46 +0000 (UTC) (envelope-from odhiambo@gmail.com) Received: by bwz13 with SMTP id 13so7943620bwz.19 for ; Tue, 13 Jan 2009 03:12:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type:references; bh=8SaRDjv0y+sMo0cgUUVkRj5j4d6X2KDXbGxosi8USpo=; b=DUtEvmfcruv55ZDhwVvuAi/qMrfhrmNvnUcvfUETZINxvPX6yM66p5rGfnWlMFpm4c yVwnwcTHtRwBGdm0NpGLoLtKU4sNFK80mI3Sffxcdubm9mGViHyzWSehL3WqR8c4jAz2 vH19w9wsUTGz3qh/uRa3ZQazudV7MGJhvCV2s= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:references; b=D+TTNiuxNoEzyIc401lCrAWlem6OFRXuSuRi1zzLXmjPa0KW5oeWlQcuNOn3VaaCn3 QzUrkLVp9WSfxDe/bwTrHPSUm9FjfkXt0a7pJ8L0A91iyEP6Gvdg3dCMWbV5a9/y09L0 TbSTVPSd4DLXUyoQN/Yz8AF4jNnlEM+tWZEbc= Received: by 10.223.107.9 with SMTP id z9mr22466728fao.1.1231845164131; Tue, 13 Jan 2009 03:12:44 -0800 (PST) Received: by 10.223.104.15 with HTTP; Tue, 13 Jan 2009 03:12:44 -0800 (PST) Message-ID: <991123400901130312g1df4dda3rbace744ef9b944c4@mail.gmail.com> Date: Tue, 13 Jan 2009 14:12:44 +0300 From: "Odhiambo Washington" To: "Pieter Donche" In-Reply-To: MIME-Version: 1.0 References: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: "mail.list freebsd-questions" Subject: Re: 2 networkcards in 1 system X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Jan 2009 11:12:47 -0000 On Tue, Jan 13, 2009 at 2:03 PM, Pieter Donche wrote: > I installed FreeBSD-amd64 on a system which has 2 networkcards and > configured > 1 networkcard with its IP parameters. > > Now I want to add the second networkcard, and did: > # sysinstall > do Post-Install Configuratio > Configure additional Netwerk Services > Configure additional network interface > and selected em1 and gave it its IP parameters > (I used the same hostname macos.cmi.ua.ac.be, in the DNS servers here > macos.cmi.ua.ac.be is assigned to two IP addresses) > > (After rebooting, em1 appears in the boot messages with the correct > Mac- and IP address.. ) > > But I get many messages: > Jan 13 11:05:25 macos kernel: arp: 143.129.XX.YY is on em0 but got reply > from 00:1b:21:UU:VV:WW on em1 > Jan 13 11:54.25 macos kernel: arp: 143.129.XX.YY is on em0 but got reply > from 03:ba:14:UU:VV:WW on em1 > > ( 143.129.XX.YY is our gateway or other system, the MAC address > is the mac-addres of our gateway or that other system ) > > Why is this? How to remedy? You can add the following two lines to /etc/sysctl.conf: net.inet.tcp.blackhole=2 net.inet.udp.blackhole=1 ...and reboot or type, as root, sysctl -w net.inet.tcp.blackhole=2 sysctl -w net.inet.udp.blackhole=1 > > Or do I need to 'deconfigure' em1? How can I do that? Edit /etc/rc.conf manually, either using ee or vi and comment out the lines you don't want active. You have connected the two network cards to the same switch, yes? don't do that. -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254733744121/+254722743223 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ "Failure is the opportunity to begin again more intelligently." --Henry Ford