From owner-freebsd-current@freebsd.org  Fri Feb 12 13:45:54 2016
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Date: Fri, 12 Feb 2016 16:45:43 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Larry Rosenman <ler@lerctr.org>
Cc: Kristof Provost <kp@freebsd.org>,
 Freebsd current <freebsd-current@freebsd.org>
Subject: Re: IPV6 TCP6 Slow Connect
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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 <ler@lerctr.org> 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)?