From owner-freebsd-firewire@FreeBSD.ORG Fri Oct 28 19:04:28 2005 Return-Path: X-Original-To: freebsd-firewire@freebsd.org Delivered-To: freebsd-firewire@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 689F116A41F for ; Fri, 28 Oct 2005 19:04:28 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from mh1.centtech.com (moat3.centtech.com [207.200.51.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id CB7CD43D45 for ; Fri, 28 Oct 2005 19:04:27 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from [10.177.171.220] (neutrino.centtech.com [10.177.171.220]) by mh1.centtech.com (8.13.1/8.13.1) with ESMTP id j9SJ4QgA064490; Fri, 28 Oct 2005 14:04:26 -0500 (CDT) (envelope-from anderson@centtech.com) Message-ID: <43627620.3060207@centtech.com> Date: Fri, 28 Oct 2005 14:04:00 -0500 From: Eric Anderson User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.12) Gecko/20051021 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Arjan van Leeuwen References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.82/1149/Thu Oct 27 15:20:09 2005 on mh1.centtech.com X-Virus-Status: Clean Cc: freebsd-firewire@freebsd.org Subject: Re: One-way communication with fwip(4) between FreeBSD and MacOS X? X-BeenThere: freebsd-firewire@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Firewire support in FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Oct 2005 19:04:28 -0000 Arjan van Leeuwen wrote: > Hi, > > I'm trying to establish an fwip(4) connection between my Powerbook > running MacOS X 10.4 and my FreeBSD 6.0-RC1 host. I included fwip in > my kernel and assigned an IP address to the fwip0 interface. > > The weird thing is that it seems to work only one-way. I can ping my > Powerbook from the FreeBSD machine, I can even ssh to it, etc. But > from the Powerbook to the FreeBSD host, I get no replies to my pings, > and I can't access ssh. > > If I do a tcpdump on the FreeBSD machine on fwip0, I can see that the > ping requests arrive, but there's no answer: > > winston% sudo tcpdump -i fwip0 > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on fwip0, link-type APPLE_IP_OVER_IEEE1394 (Apple > IP-over-IEEE 1394), capture size 96 bytes > 20:54:32.853931 IP 10.0.0.2 > 10.0.0.1: ICMP echo request, id 20738, > seq 0, length 64 > 20:54:33.854038 IP 10.0.0.2 > 10.0.0.1: ICMP echo request, id 20738, > seq 1, length 64 > 20:54:34.854122 IP 10.0.0.2 > 10.0.0.1: ICMP echo request, id 20738, > seq 2, length 64 > > It almost looks like there's a firewall setup to stop any incoming > traffic on the fwip interface (I have no firewall installed). > > How do I proceed in debugging this? > > Thanks, > > Arjan > > P.S. I'm not subscribed to the firewire@ list, please CC me on reply. If you run a tcpdump on fxp0 while doing the pings, do you see the packets leaving on that interface? You might send the output of netstat -rn also Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------