From owner-freebsd-net@FreeBSD.ORG Sun Oct 23 22:01:31 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 32C15106566B for ; Sun, 23 Oct 2011 22:01:31 +0000 (UTC) (envelope-from ddesimone@verio.net) Received: from relay1-bcrtfl2.verio.net (relay1-bcrtfl2.verio.net [131.103.218.142]) by mx1.freebsd.org (Postfix) with ESMTP id 024F18FC08 for ; Sun, 23 Oct 2011 22:01:30 +0000 (UTC) Received: from iad-wprd-xchw01.corp.verio.net (iad-wprd-xchw01.corp.verio.net [198.87.7.164]) by relay1-bcrtfl2.verio.net (Postfix) with ESMTP id 4FA98B0380E7 for ; Sun, 23 Oct 2011 17:31:53 -0400 (EDT) thread-index: AcyRyy5CyR5GDh/aQu61AIvwpPP9Ag== Received: from hometx-733b1p1.corp.verio.net ([10.144.2.53]) by iad-wprd-xchw01.corp.verio.net over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Sun, 23 Oct 2011 17:31:43 -0400 Received: by hometx-733b1p1.corp.verio.net (sSMTP sendmail emulation); Sun, 23 Oct 2011 16:31:34 -0500 Date: Sun, 23 Oct 2011 16:31:34 -0500 From: "David DeSimone" Content-Transfer-Encoding: 7bit To: Message-ID: <20111023213133.GC1536@verio.net> Content-Class: urn:content-classes:message Mail-Followup-To: freebsd-net@freebsd.org Importance: normal Priority: normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.4862 References: <33528.1319361996@tristatelogic.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-reply-to: <33528.1319361996@tristatelogic.com> Precedence: bulk User-Agent: Mutt/1.5.20 (2009-12-10) X-OriginalArrivalTime: 23 Oct 2011 21:31:44.0741 (UTC) FILETIME=[297DF150:01CC91CB] Subject: Re: IPFW shows me Strangeness in fresh 8.2-RELEASE system X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 23 Oct 2011 22:01:31 -0000 Ronald F. Guilmette wrote: > > "Li, Qing" wrote: > > >First thing comes to mind is to check if "rl0" is running in promiscuous mode. > > No, the interface is NOT in promiscuous mode. > > So I still don't understand how it can be receiving these packets. Ethernet cards filter their traffic based on MAC address, not based on IP address. Use tcpdump -e to examine the destination MAC of the packets you are receiving, in order to determine whether you should receive them. -- David DeSimone == Network Admin == fox@verio.net "I don't like spinach, and I'm glad I don't, because if I liked it I'd eat it, and I just hate it." -- Clarence Darrow This email message is intended for the use of the person to whom it has been sent, and may contain information that is confidential or legally protected. If you are not the intended recipient or have received this message in error, you are not authorized to copy, distribute, or otherwise use this message or its attachments. Please notify the sender immediately by return e-mail and permanently delete this message and any attachments. Verio, Inc. makes no warranty that this email is error or virus free. Thank you.