From owner-freebsd-net@FreeBSD.ORG Tue Jul 20 14:41:19 2010 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 C1AEE106564A for ; Tue, 20 Jul 2010 14:41:19 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: from mail-ew0-f54.google.com (mail-ew0-f54.google.com [209.85.215.54]) by mx1.freebsd.org (Postfix) with ESMTP id 5612C8FC19 for ; Tue, 20 Jul 2010 14:41:18 +0000 (UTC) Received: by ewy26 with SMTP id 26so1970638ewy.13 for ; Tue, 20 Jul 2010 07:41:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=NXdYBmMy/JuE1ZhM7UObIbxnPiXHLzFT0PuXkcNeEdQ=; b=PS6IJZrZ9Fr/kMLQ6KQujMQpbarhbJ6K3dQKpOT6+1HDQkBws5P25JiT3sL0VuoKlk DWkb+pOueTR9UizwAsUYWkSRm/51DLdDF/Cn1xTcwZ67WDNB08oiYd7e/mn0VDGR3WTe vRE7RZFreujsTtu67lx3kclIWlXyk0KsKyRMU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=Yo6//Aa6Laj10LiUuBiB2TQz5OpqAEe+Pjstl5BqGiRVArSD2//IvKx9G1aTKtw/nZ BuAQ3LwyUPHB0ILIG91ocHLh37BE87VHEbOl4cqr81fT9XpUohH32dBRW4/WwzQsc1Ee nt5rqtrHizxncor7X4n+TicmOwR4XR2t1qAUI= MIME-Version: 1.0 Received: by 10.213.114.67 with SMTP id d3mr3864216ebq.48.1279636878016; Tue, 20 Jul 2010 07:41:18 -0700 (PDT) Received: by 10.213.113.195 with HTTP; Tue, 20 Jul 2010 07:41:17 -0700 (PDT) In-Reply-To: <201007201030309214485@yahoo.com.cn> References: <201007191659457506137@yahoo.com.cn> <201007201030309214485@yahoo.com.cn> Date: Tue, 20 Jul 2010 10:41:17 -0400 Message-ID: From: Ryan Stone To: beezarliu Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-net , Jack Vogel Subject: Re: Re: igb statistics error X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Jul 2010 14:41:19 -0000 The extra packets counted in tpr are packets received by the interface that were not addressed to that interface. The fact that your machine with a 82571 has not seen any such packets is just a coincidence. Whatever switch that machine is connected to has happened not to have flooded unicast packets to an unknown destination in the time that the machine has been up.