From owner-freebsd-net@FreeBSD.ORG Tue Jun 24 08:48:05 2003 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B320F37B401 for ; Tue, 24 Jun 2003 08:48:05 -0700 (PDT) Received: from boreas.isi.edu (boreas.isi.edu [128.9.160.161]) by mx1.FreeBSD.org (Postfix) with ESMTP id 01E3743FA3 for ; Tue, 24 Jun 2003 08:48:04 -0700 (PDT) (envelope-from larse@ISI.EDU) Received: from isi.edu (c-24-130-112-121.we.client2.attbi.com [24.130.112.121]) by boreas.isi.edu (8.11.6p2/8.11.2) with ESMTP id h5OFm2b09468; Tue, 24 Jun 2003 08:48:02 -0700 (PDT) Message-ID: <3EF872B1.20208@isi.edu> Date: Tue, 24 Jun 2003 08:48:01 -0700 From: Lars Eggert Organization: USC Information Sciences Institute User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030612 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Adam References: <1056467581.42828.26.camel@jake> In-Reply-To: <1056467581.42828.26.camel@jake> Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms090508060802030206010807" cc: net@freebsd.org Subject: Re: Bandwidth monitoring X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 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, 24 Jun 2003 15:48:06 -0000 This is a cryptographically signed message in MIME format. --------------ms090508060802030206010807 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Adam wrote: > My ISP is placing strict restrictions on how much I can transfer each > month, with high penalties for exceeding their limits. However, they > don't provide any way for their customer's to check to see how much > they've transferred, so we end up transferring far less than what we are > allowed, just to make sure we avoid paying the fines for going over the > limit. > > So, what I need to do is find a way to monitor my total bandwidth > through my external NIC. My gateway is running FreeBSD 4.8 with > ipf+ipnat. > > I *don't* need anything fancy. All I need is to be able to check at any > time how much I've transferred since the first of the month. What's the > easiest way to set up something like this? I know there are fancy > solutions with graphs with usage stats and such, but that's not what I'm > after. What's wrong with netstat? netstat -i | -I interface [-abdnt] [-f address_family] [-M core] [-N system] Show the state of all network interfaces or a single interface which have been auto-configured (interfaces statically configured into a system, but not located at boot time are not shown). An asterisk (``*'') after an interface name indicates that the interface is ``down''. If -a is also present, multicast addresses currently in use are shown for each Ethernet interface and for each IP interface address. Multicast addresses are shown on separate lines following the interface address with which they are associated. If -b is also present, show the number of bytes ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in and out. If -d is also present, show the number of dropped ^^^^^^^^^^^ packets. If -t is also present, show the contents of watchdog timers. 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