From owner-freebsd-net@FreeBSD.ORG Mon Dec 14 19:29:55 2009 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 7E840106568B for ; Mon, 14 Dec 2009 19:29:55 +0000 (UTC) (envelope-from kurt.buff@gmail.com) Received: from mail-iw0-f198.google.com (mail-iw0-f198.google.com [209.85.223.198]) by mx1.freebsd.org (Postfix) with ESMTP id 4C4518FC14 for ; Mon, 14 Dec 2009 19:29:55 +0000 (UTC) Received: by iwn36 with SMTP id 36so2290504iwn.3 for ; Mon, 14 Dec 2009 11:29:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type; bh=FmuatbJknlWZH1lq5AGcpY8S3kQs7PDf/bkI4K01Jv4=; b=ih/ZZPO2P23FiQaVbclbKrTGYge1QCE8D4g1ikpCNtnrovUWRRH21KNuGJFmzeL201 9iUagQM7mV/6dtf+Ws0vG1qGq/Aq5DfCM05gc01Zm4RI4esJKh5mELZSpYhKT6nN5jU1 VxbJp+F9Pb973bFf8Gw2G4j8FgeP2rrGsuLXc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=Xznohzn6iPQzUJnZme4mFhPLS4qUKlTPxDcoq/v390OCyP4VaMP+WsTZm7Cktv4GTW SGPS6eRRaGRHEGhmg+ARJFVYIE1mq4RWCe3CFNo5n2OOekkvGnvysQUttpEvo2DimYJ0 byfnNyKfqELFv8yvWsvWQ/U1HrMUkCBR+dlZE= MIME-Version: 1.0 Received: by 10.231.146.2 with SMTP id f2mr2765349ibv.23.1260818994768; Mon, 14 Dec 2009 11:29:54 -0800 (PST) Date: Mon, 14 Dec 2009 11:29:54 -0800 Message-ID: From: Kurt Buff To: freebsd-net@freebsd.org Content-Type: text/plain; charset=UTF-8 Subject: Not seeing data on an unnumbered interface... 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: Mon, 14 Dec 2009 19:29:55 -0000 All, I'm having a very strange problem. I'm running ntop - the unnumbered interface is not receiving any data. Running 'tcpdump -i em0' also gets no data. I am really baffled - I've tried it against a switch that I know has a correctly configured mirror port, as I have ntop running on another machine and that works fine in the same port, but it's running 7.1-RELEASE. Anyone have thoughts on this? # uname -a FreeBSD zntop.mycompany.com 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:48:17 UTC 2009 root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 # cat /etc/rc.conf hostname="zntop.mycompany.com" ifconfig_rl0="DHCP" ntpdate_enable="YES" ntpdate_flags="-b 192.168.10.191" sshd_enable="YES" ntop_enable="YES" ntop_flags="-d -u ntop -P /home/ntop/databases -K -L -t 6 -o -i em0 -W 0" zntop# ifconfig em0: flags=8902 metric 0 mtu 1500 options=9b ether 00:1b:21:04:2a:c5 media: Ethernet autoselect (100baseTX ) status: active rl0: flags=8843 metric 0 mtu 1500 options=8 ether 00:0c:46:b3:43:53 inet 192.168.24.51 netmask 0xffffff00 broadcast 192.168.24.255 media: Ethernet autoselect (100baseTX ) status: active lo0: flags=8049 metric 0 mtu 16384 options=3 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3 inet6 ::1 prefixlen 128 inet 127.0.0.1 netmask 0xff000000 Kurt