From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1NkgIO-0006vJ-I5 for garchives@archives.gentoo.org; Thu, 25 Feb 2010 16:10:37 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id BE1FDE0BB5 for ; Thu, 25 Feb 2010 16:10:35 +0000 (UTC) Received: from mx1.linuxant.fr (mx1.linuxant.fr [87.98.143.218]) by pigeon.gentoo.org (Postfix) with ESMTP id 3C5E9E0DA4 for ; Thu, 25 Feb 2010 16:04:15 +0000 (UTC) Received: from [192.168.1.101] (93-136-4-158.adsl.net.t-com.hr [93.136.4.158]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: xavier) by mx1.linuxant.fr (Postfix) with ESMTPSA id 7BBE921C2 for ; Thu, 25 Feb 2010 17:04:17 +0100 (CET) X-DKIM: Sendmail DKIM Filter v2.8.3 mx1.linuxant.fr 7BBE921C2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gentooist.com; s=DKIM; t=1267113857; bh=xJKJvAY8mSRvkeGx/Bs2D6HFt7C2gl6G8zKtuayot0c=; l=1882; h=Message-ID:Date:From:Reply-To:MIME-Version:To:Subject:References: In-Reply-To:Content-Type; b=Miyja1q3bbgPtLGGUjwsrzbKkXLdWDs1qXOzq7LHQBERbvHElpC1xJ4iA9t6qbSvZ krOLg+rmEQ9S/dIchrPLQDtACnPnemYmJGcfeyjEy5j6T2b50dBWuJEt49AhKM//Po xamSC/TyyX0aGfT+zjrNpTCXpR7laT6mzCHiVRXE= X-DomainKeys: Sendmail DomainKeys Filter v1.0.2 mx1.linuxant.fr 7BBE921C2 DomainKey-Signature: a=rsa-sha1; s=DomainKey; d=gentooist.com; c=nofws; q=dns; h=message-id:date:from:reply-to:user-agent:mime-version:to: subject:references:in-reply-to:x-enigmail-version:content-type; b=BzEzMVG6VN4e7915AeFpDKbPGrO00qa9nEseuB4n6S8mqkwdTnBPv9mGbSM76BSpG jsQgpwuKvF74hcCVHmJJDhzm9pxBTikz8KBBaj6Jb8tjKSJukYm8Mitv+a3EWN589tA fFRlfLIj6hhNXQH4HC6xsydslktYUsMrCejKcGs= Message-ID: <4B869F28.9080602@gentooist.com> Date: Thu, 25 Feb 2010 17:02:48 +0100 From: Xavier Parizet User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.7) Gecko/20100217 Lightning/1.0b2pre Thunderbird/3.0.1 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] [QA] The 'dropped' value in /sbin/ifconfig output References: <1e8a3dd1002250511q377f8e4bqd8091ead60482dbb@mail.gmail.com> <4B867B94.1010904@gentooist.com> <1e8a3dd1002250736u2a7e06b6ra91286a5684dc664@mail.gmail.com> In-Reply-To: <1e8a3dd1002250736u2a7e06b6ra91286a5684dc664@mail.gmail.com> X-Enigmail-Version: 1.0.1 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig8B2857C67963AAE159CFD50C" X-Archives-Salt: facbe1a5-6be1-4cce-a570-76b5f184f13e X-Archives-Hash: 457a00ed726ec177d376065b072d167c This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig8B2857C67963AAE159CFD50C Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 02/25/2010 04:36 PM, Kan-I Jyo wrote: > Hello, Xavier >=20 > Thank you for your prompt reply. >=20 > 2010/2/25 Xavier Parizet : >> Well, you're talking about two different things: >> the dropped value in ifconfig output is related to Ethernet packet whi= ch >> would be dropped by hardware. >=20 > Yeah, you have made the things clear to me. I just wondered why would I= > mess them up. >=20 > So, in my understanding, those packets that are dropped by iptables in = fact > have been received by the NICs, and that is the reason the "dropped' > value are not added up. >=20 > And here comes my original question: When will the 'dropped' count up? > (Just want to know some general ideas) Network failure / packet loss / invalid ethernet frames / any hardware related failures which will lead to a packet drop by the hardware itself. It's a means for the hardware to report to the kernel/software that it ignored some packets for any reason, these reasons should be found in dmesg afaik. --=20 Xavier Parizet YaGB : http://gentooist.com GPG : C7DC B10E FC21 63BE B453 D239 F6E6 DF65 1569 91BF --------------enig8B2857C67963AAE159CFD50C Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkuGny0ACgkQ9ubfZRVpkb/5fgCfTOLbQz9qylSIvHTZzwHR2tp7 aKcAnibCtkFvI9iA1HrdwlXuRMBYA8vJ =er/Y -----END PGP SIGNATURE----- --------------enig8B2857C67963AAE159CFD50C--