From owner-freebsd-questions@freebsd.org Fri Nov 24 00:40:37 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 69449DF97A5 for ; Fri, 24 Nov 2017 00:40:37 +0000 (UTC) (envelope-from zgreenfelder@gmail.com) Received: from mail-qt0-x235.google.com (mail-qt0-x235.google.com [IPv6:2607:f8b0:400d:c0d::235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1FC39805FD for ; Fri, 24 Nov 2017 00:40:37 +0000 (UTC) (envelope-from zgreenfelder@gmail.com) Received: by mail-qt0-x235.google.com with SMTP id p44so29669837qtj.6 for ; Thu, 23 Nov 2017 16:40:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding:content-language; bh=hJOxu3tvim8lRoA7f3Y7n6OwQVX4acfRHQcdv964UaE=; b=rWwIEa6UchKaUvTMPhb6q79Z+Ii4q5gtUBo5UrNueYSI1otKpUp1j/neMN+Q7/54sm Ao4rphrhYPAQ88F4+MN9FFoABXNAtBkr6NRHqMWUNcYajsncayhxONCAMS4qv6hOtRVK 5sJAysvlOFqJGkndA4i7LhnnBhuK47YWHP1lLZfJ2IP3IzX84rEZ/KCWTyYgjWjo6TN4 OE2t/0hMOnNbxcdLGk8GZm2VKslMR8tOLZB8HX4ADJRLUw2cQX0tIAKRItlGo/bRY1dm qJXeUpdaGZfegfEnj7aLfRRiuyHC4XzcTzzjgxVjHmh+y+LDXDZFdnmvG3VWE7XmOq/9 t2Lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=hJOxu3tvim8lRoA7f3Y7n6OwQVX4acfRHQcdv964UaE=; b=ad4IEMuG9EevXy+7K2zZCwPuekFSy0K+I5QXd7QtFezMi++4YmsODz4ACyeuQm1gRd WAoAcygGSzu4mhNyAprQ/kJAECNZHgGPuAR6ZQlh6xPbEggh/A9yBjRxR60vG85dOGTQ bt+htghOHLxBNqOb3lJ2nwA2KjSbjAYv1M19Wi/8madi5lPFrEhw+sPNKWSMiyE+M22E QI/bi+GjFaZ7LHY/8T28ahwakARyN8RFc1bWXx381dDCo4rfSlffAHSy8ZZnKyNa++HN hulLmJObfOEpptpU/rHzFF4Lbv8WaAZyK8V5zE8EPBpSV3Mq5aK227943de99T140bYW TVMg== X-Gm-Message-State: AJaThX6qCMY+ty6I+l1aK6a4bAutT1r4Xicjb6bvjCceSX1EU1zbCVAG VWmCIMfPGrdkWE4MZg70kXE8fKws X-Google-Smtp-Source: AGs4zMabNg7u3HryZi8LFJ3G0vdccNS46OMc7Od/9YpRTdA4OQVuypEC3GnO+3HuQ7pAXjOVxMvHVA== X-Received: by 10.200.23.82 with SMTP id u18mr41067131qtk.13.1511484035516; Thu, 23 Nov 2017 16:40:35 -0800 (PST) Received: from [192.168.10.31] (pool-71-178-8-115.washdc.fios.verizon.net. [71.178.8.115]) by smtp.gmail.com with ESMTPSA id x189sm8304636qka.36.2017.11.23.16.40.33 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 23 Nov 2017 16:40:34 -0800 (PST) Subject: Re: Interpreting netstat output To: freebsd-questions@freebsd.org References: <5A16E4D6.3000009@gmail.com> From: zep Message-ID: <23db8689-cfdb-4176-792b-95e062946121@gmail.com> Date: Thu, 23 Nov 2017 19:40:32 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <5A16E4D6.3000009@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Nov 2017 00:40:37 -0000 On 11/23/2017 10:10 AM, Ernie Luzar wrote: > > I keep seeing this in the periodic daily output. > During the day I issue netstat -id command and I see the number of > Oerrs  increase on the vge0 interface. > > Network interface status: > Name    Mtu Network       Address Ipkts  Ierrs Idrop Opkts  Oerrs > em0    1500       xxxxxx  430877 0     0     767138  0 > em0       - 10.0.0.0/8    xxxxxx    5625 -     -       5745  - > vge0   1500       xxxxxx 2553560 0     0     434774  7 > vge0      - 25.85.45.0/20 xxxxxx    1368 -     -     1200    - > > > What does this Out errors count really mean and what should I be doing > about it? > _______________________________________________ > from the netstat manpage BUGS      The notion of errors is ill-defined. FreeBSD 11.1-RELEASE-p1        December 1, 2015        FreeBSD 11.1-RELEASE-p1 I'd guess you could get an error from something as benign as a collision or anything else that forces a retransmit  by my math this is on the order of .001610031% of your traffic.  with that low of a total count and percentage, I wouldn't think it makes much sense to chase down much farther unless you have a specific issue you're trying to work through. -- public gpg key id: 0x5B8147CB