From owner-freebsd-net@FreeBSD.ORG Mon Jul 14 02:35:51 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C72B89C2 for ; Mon, 14 Jul 2014 02:35:51 +0000 (UTC) Received: from gpo3.cc.swin.edu.au (gpo3.cc.swin.edu.au [136.186.1.32]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 5F04F2078 for ; Mon, 14 Jul 2014 02:35:50 +0000 (UTC) Received: from [136.186.229.154] (nwilliams-laptop.caia.swin.edu.au [136.186.229.154]) by gpo3.cc.swin.edu.au (8.14.3/8.14.3) with ESMTP id s6E2ZiNv007769; Mon, 14 Jul 2014 12:35:46 +1000 Message-ID: <53C341FC.4060307@swin.edu.au> Date: Mon, 14 Jul 2014 12:35:40 +1000 From: Nigel Williams User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Nils Beyer , freebsd-net@freebsd.org Subject: Re: Multipath TCP for FreeBSD v0.4 References: <513CB9AF.3090409@swin.edu.au> <53BF8945.3000802@swin.edu.au> <20140711102535.7613DBE5@hub.freebsd.org> In-Reply-To: <20140711102535.7613DBE5@hub.freebsd.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18 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 Jul 2014 02:35:51 -0000 Hi Nils, On 11/07/14 20:24, Nils Beyer wrote: > Hi Nigel, > > Nigel Williams wrote: >> A new v0.4 patch is available at [1]. [...] > > Thanks a lot for publishing the latest patch. Already tried it on two phyiscal > machines with directly connected NICs. > Great, thanks for testing it out. > "iperf" looks nice: > =============================================================================== > #iperf -c 10.255.255.11 -i 1 > ------------------------------------------------------------ > Client connecting to 10.255.255.11, TCP port 5001 > TCP window size: 32.5 KByte (default) > ------------------------------------------------------------ > [ 3] local 10.255.255.10 port 40171 connected with 10.255.255.11 port 5001 > [ ID] Interval Transfer Bandwidth > [ 3] 0.0- 1.0 sec 167 MBytes 1.40 Gbits/sec > [ 3] 1.0- 2.0 sec 171 MBytes 1.43 Gbits/sec > [ 3] 2.0- 3.0 sec 171 MBytes 1.44 Gbits/sec > [ 3] 3.0- 4.0 sec 171 MBytes 1.44 Gbits/sec > [ 3] 4.0- 5.0 sec 171 MBytes 1.44 Gbits/sec > [ 3] 5.0- 6.0 sec 169 MBytes 1.41 Gbits/sec > [ 3] 6.0- 7.0 sec 168 MBytes 1.41 Gbits/sec > [ 3] 7.0- 8.0 sec 169 MBytes 1.41 Gbits/sec > [ 3] 8.0- 9.0 sec 168 MBytes 1.41 Gbits/sec > [ 3] 9.0-10.0 sec 171 MBytes 1.43 Gbits/sec > [ 3] 0.0-10.0 sec 1.66 GBytes 1.42 Gbits/sec > =============================================================================== > > TCP networking is rather unstable after some "iperf" executions. So that new > SSH connections aren't possible anymore. > > Everything more complex than "iperf" - like NFS and FTP usage - leads to a > kernel panic (page fault). > > Do you want any crash dumps? If yes, where do you want them to be uploaded? > Yes, that would be helpful (I'll send you a link to a drop box). If you were able to email me the core text files that might also help. > > FWIW: I haven't set up any special routings or PF rules at all: > =============================================================================== > MPTCP1 > ------ > ifconfig_em1="10.255.255.10/8 -tso" > ifconfig_em0="192.168.1.1/24 -tso" > ifconfig_em2="192.168.2.1/24 -tso" > > > MPTCP2 > ------ > ifconfig_em1="10.255.255.11/8 -tso" > ifconfig_em0="192.168.1.2/24 -tso" > ifconfig_em2="192.168.2.2/24 -tso" > =============================================================================== > > Okay, I'll set up something similar. Did you configure any other TCP sysctls? cheers, nigel > > Thanks for all your work and regards, > Nils > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >