From owner-freebsd-current@freebsd.org Fri Feb 12 14:03:42 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 825D9AA6E0A for ; Fri, 12 Feb 2016 14:03:42 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from zxy.spb.ru (zxy.spb.ru [195.70.199.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 41EEA102; Fri, 12 Feb 2016 14:03:42 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from slw by zxy.spb.ru with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1aUEJw-0000MP-DU; Fri, 12 Feb 2016 17:03:40 +0300 Date: Fri, 12 Feb 2016 17:03:40 +0300 From: Slawa Olhovchenkov To: Larry Rosenman Cc: Kristof Provost , Freebsd current Subject: Re: IPV6 TCP6 Slow Connect Message-ID: <20160212140340.GN68298@zxy.spb.ru> References: <8ca0068954b5cb25891c3324b2e8c863@thebighonker.lerctr.org> <20160211101449.GI19084@vega.codepro.be> <88197BB9-F03F-48BB-97DC-9BAAA2FA299F@FreeBSD.org> <125b65d56d310c0436ceb8047d1d0417@thebighonker.lerctr.org> <563b81912fc2de4670be51a832467ba9@thebighonker.lerctr.org> <20160212134543.GB37895@zxy.spb.ru> <51fa0c661d2b850320f666c2c73f939e@thebighonker.lerctr.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <51fa0c661d2b850320f666c2c73f939e@thebighonker.lerctr.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: slw@zxy.spb.ru X-SA-Exim-Scanned: No (on zxy.spb.ru); SAEximRunCond expanded to false X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Feb 2016 14:03:42 -0000 On Fri, Feb 12, 2016 at 07:56:08AM -0600, Larry Rosenman wrote: > On 2016-02-12 07:45, Slawa Olhovchenkov wrote: > > On Thu, Feb 11, 2016 at 08:50:59PM -0600, Larry Rosenman wrote: > > > >> On 2016-02-11 14:40, Larry Rosenman wrote: > >> > >> > On 2016-02-11 14:25, Kristof Provost wrote: > >> > > >> > On 11 Feb 2016, at 21:23, Larry Rosenman wrote: > >> > From which system(s) perspective do you want the packet captures? > >> > (Firewall, FreeBSD, Windows)? I wouldn't expect it to make much of a difference in this case. > >> > Let's start with whatever is easiest. > >> > > >> > Regards, > >> > Kristof > >> > >> I'll try and get these tonight when I am home, after a meetup. > >> > >> (will be late US/CST). > >> > >> -- > >> Larry Rosenman http://www.lerctr.org/~ler > >> Phone: +1 214-642-9640 E-Mail: ler@lerctr.org > >> US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961 > >> > >> at http://www.lerctr.org/~ler/FreeBSD/win10.pcap > >> > >> http://www.lerctr.org/~ler/.FreeBSD/fbsd11.pcap > >> > >> Please let me know what else you need. > >> > >> I **CAN** supply accesss to a @FreeBSD.org developer to: > >> > >> 1) the FreeBSD 11 host > >> > >> 2) the FreeBSD(pfSense) Firewall > >> > >> 3) the IPv6 host (FreeBSD 10) that I ssh'd to. > >> > >> 4) the FireWall in front of the FreeBSD 10 box (also pfSense) > > > > First try: MTU issuse (1480, not 1500)? > how do I change the MTU on a LAGG interface? > > borg.lerctr.org /usr/src # ifconfig lagg0 mtu 1300 > ifconfig: ioctl SIOCSIFMTU (set mtu): Invalid argument > borg.lerctr.org /usr/src # > > how can I change it on a lagg interface? Change MTU on members. ix0: flags=8843 metric 0 mtu 1500 options=8407bb ether 90:e2:ba:27:ff:b8 nd6 options=29 media: Ethernet autoselect (10Gbase-SR ) status: active ix1: flags=8843 metric 0 mtu 1500 options=8407bb ether 90:e2:ba:27:ff:b8 nd6 options=29 media: Ethernet autoselect (10Gbase-SR ) status: active lo0: flags=8049 metric 0 mtu 16384 options=600003 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x5 inet 127.0.0.1 netmask 0xff000000 nd6 options=21 lagg0: flags=8843 metric 0 mtu 1500 options=8407bb ether 90:e2:ba:27:ff:b8 inet 37.220.36.11 netmask 0xffffff00 broadcast 37.220.36.255 nd6 options=9 media: Ethernet autoselect status: active laggproto lacp lagghash l2,l3,l4 laggport: ix0 flags=1c laggport: ix1 flags=1c > And, I still find it weird that Windows on the same lan segment, with a > 1500 MTU, > can connect. I am don't see in win10.pcap large packets. All packets under 1KB.