Date: Fri, 28 Dec 2018 07:37:20 +0100 From: "Muenz, Michael" <m.muenz@spam-fetish.org> To: freebsd-net@freebsd.org Subject: Re: DUP ACKs sent with no reason Message-ID: <74db0aae-3f93-aaa5-7241-8043ba0254bf@spam-fetish.org> In-Reply-To: <D15A92F5-91C2-44C3-A794-D3B399F67D8C@pasteur.fr> References: <D15A92F5-91C2-44C3-A794-D3B399F67D8C@pasteur.fr>
next in thread | previous in thread | raw e-mail | index | archive | help
Am 27.12.2018 um 19:32 schrieb Youssef GHORBAL: > > What can explain those DUP ACKs sent by the FreeBSD host? (DUP ACKs sent by the client are "normal" in a way to report missing packet loss and carry Selective ACKs, but those sent by the BSD stack are hard to explain) > > How can I push the investigation further ? > Hi, I had similar phenomenons with DUP ACKs, lost packets and also duplicate ICMP replies when using Intel X710 cards. Did you test exchanging hardware and trying Linux-only and/or BSD-only iperf to look for a difference? Best, Michael
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?74db0aae-3f93-aaa5-7241-8043ba0254bf>