Date: Fri, 8 Apr 2016 15:51:24 +1000 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Dr Josef Karthauser <joe@truespeed.com> Cc: FreeBSD Stable <stable@freebsd.org>, freebsd-net@freebsd.org Subject: Re: IPFW with NAT : Problems with duplicate packets on FreeBSD 10.3-RC3 Message-ID: <20160408154100.E39547@sola.nimnet.asn.au> In-Reply-To: <A03E136A-7599-4992-9F9E-13E7350F972B@truespeed.com> References: <A03E136A-7599-4992-9F9E-13E7350F972B@truespeed.com>
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On Thu, 7 Apr 2016 17:08:38 +0100, Dr Josef Karthauser wrote: [ AppleMail msgs fail to quote properly in pine, so a partial quote: ] > Looks like the first packet is being retransmitted, which means that > the nat is probably misconfigured and the TCP connection is broken in > some strange way. > Does anyone have a clue as to where to look? The ipfw rules are > simple enough - what have I missed? Do you have TSO enabled on that NIC? If so, see ipfw(8) BUGS, third last para. If not, no idea .. cheers, Ian
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