From owner-freebsd-net@FreeBSD.ORG Tue Feb 26 07:44:05 2008 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 3339D16A400 for ; Tue, 26 Feb 2008 07:44:05 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from el-out-1112.google.com (el-out-1112.google.com [209.85.162.178]) by mx1.freebsd.org (Postfix) with ESMTP id E1BBD13C474 for ; Tue, 26 Feb 2008 07:44:04 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: by el-out-1112.google.com with SMTP id r27so1759337ele.3 for ; Mon, 25 Feb 2008 23:44:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:received:received:date:from:to:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; bh=2ExG9yQZw5QCZH31XiwyF+uFNm+598P41DUHbTvil7E=; b=hCbv/xlRA34zQhG4MdQ2lTtsbWE4V3woBKv9rfxF2WkSzw4rkxhLTX7iXAL7LPt3YNb+6iXcpyj78sX87M3i9OmEMCshHRLkGQbWO5/1VkxhG9/CTJ02/HASrIbn0H2Na8dASUiCkZTKlGjTG8D5koVxjhwjRqI/5KSTkzBumpU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=jH11Hw5jh5P/DRz7s1Dc6LxPEWPVnDzPdIbKhzNqL4Fys+wOjs2B/+eHVU4gIY5QyrDI9Lnnt6XuXpm3Jloyf+C1gue5nx62CC6+EZtSHQDal88qJKS6Z7+YGg36p4zKcDQ0ggLcMAsROki9+wqgwUAtDNcfzvm67Ijk99+osZY= Received: by 10.142.89.9 with SMTP id m9mr3346776wfb.116.1204011842315; Mon, 25 Feb 2008 23:44:02 -0800 (PST) Received: from michelle.cdnetworks.co.kr ( [211.53.35.84]) by mx.google.com with ESMTPS id 24sm11174297wfc.18.2008.02.25.23.43.59 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 25 Feb 2008 23:44:01 -0800 (PST) Received: from michelle.cdnetworks.co.kr (localhost.cdnetworks.co.kr [127.0.0.1]) by michelle.cdnetworks.co.kr (8.13.5/8.13.5) with ESMTP id m1Q7huOv049163 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 26 Feb 2008 16:43:56 +0900 (KST) (envelope-from pyunyh@gmail.com) Received: (from yongari@localhost) by michelle.cdnetworks.co.kr (8.13.5/8.13.5/Submit) id m1Q7htMN049162 for freebsd-net@freebsd.org; Tue, 26 Feb 2008 16:43:55 +0900 (KST) (envelope-from pyunyh@gmail.com) Date: Tue, 26 Feb 2008 16:43:55 +0900 From: Pyun YongHyeon To: freebsd-net@freebsd.org Message-ID: <20080226074355.GD47750@cdnetworks.co.kr> References: <20080225091712.GM88015@hal.rescomp.berkeley.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080225091712.GM88015@hal.rescomp.berkeley.edu> User-Agent: Mutt/1.4.2.1i Subject: Re: vlan issues with 7.0-RC3 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Feb 2008 07:44:05 -0000 On Mon, Feb 25, 2008 at 01:17:12AM -0800, Christopher Cowart wrote: > Hello, > > I have a mac mini running 7.0-RC3, which I'm trying to turn it into a > router. I have a Linksys SRW2008 "fully managed" (via an IE only web > interface, ick) switch. > > Switch: > Port 1 - Trunk vlans 10,60,98 - FreeBSD Box > Port 7 - Access vlan 98 - Existing LAN (192.168.1.0/24) > > OpenWRT (192.168.1.1): > WRT54G box on the Existing LAN > > FreeBSD Box: > ifconfig msk0 up > ifconfig vlan98 create vlan 98 vlandev msk0 inet 192.168.1.67/24 > > With this configuration, I can ping hosts on the other lan segment (Port > 7). Arp and icmp seem to be quite happy. Unfortunately, I'm not having > any luck with tcp and udp. Any attempt to ssh to OpenWRT or dig > @OpenWRT hangs indefinitely. If I do a tcpdump, I see the SYN or A? > leaving and absolutely no response returning. If I run a tcpdump on > OpenWRT, I see no incoming traffic. > > When I try to connect *to* the FreeBSD box from the other lan segment, I > continue to have problems. tcpdump shows the SYNs arriving via vlan98 > and the FreeBSD box responding with SYN-ACK. OpenWRT receives the SYNACK. > > I disabled ipfw just to be sure (sysctl -w net.inet.ip.fw.enable=0), but > it had no effect on the problem. If I connect the FreeBSD box to a vlan > 98 access port and assign the address to msk0, my connectivity problems > go away. This leads me to believe that the firewall on OpenWRT is not > the problem and the problem is related to vlans. > > Thinking it was a problem with the not-so-cheap Linksys POS (bitterness > about the IE web interface again), I plugged my MacBook (running > Leopard, not FreeBSD) into the trunk port. Running the ifconfig commands > above (s/msk0/en0/), I got up and running without any problems. This > causes me to suspect the FreeBSD box. > > Does anyone have any idea what's going on here? Any suggestions for > further troubleshooting? > Try disabling hardware features one by one in msk(4) and see how it goes. o Disable TSO. o Disable Tx checksum offload. o Disable VLAN hardware tagging. -- Regards, Pyun YongHyeon