From owner-freebsd-stable@FreeBSD.ORG Wed Aug 29 10:37:23 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4CD2E106564A for ; Wed, 29 Aug 2012 10:37:23 +0000 (UTC) (envelope-from freebsd-stable@m.gmane.org) Received: from plane.gmane.org (plane.gmane.org [80.91.229.3]) by mx1.freebsd.org (Postfix) with ESMTP id 0263A8FC12 for ; Wed, 29 Aug 2012 10:37:22 +0000 (UTC) Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1T6fe7-0001XU-5h for freebsd-stable@freebsd.org; Wed, 29 Aug 2012 12:37:15 +0200 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 29 Aug 2012 12:37:15 +0200 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 29 Aug 2012 12:37:15 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-stable@freebsd.org From: Ivan Voras Date: Wed, 29 Aug 2012 12:36:53 +0200 Lines: 44 Message-ID: References: <503CE60F.8040007@yahoo.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigCF341A4A7614C1EAB312449F" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:10.0) Gecko/20120213 Thunderbird/10.0 In-Reply-To: <503CE60F.8040007@yahoo.de> X-Enigmail-Version: 1.3.5 Subject: Re: IPv4 vs. IPv6 Ethernet Performance X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Aug 2012 10:37:23 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigCF341A4A7614C1EAB312449F Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 28/08/2012 17:38, Norbert Aschendorff wrote: > Configuration v6 v4 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > Linux -> Linux 925 935 # <=3D This could be v6's 40B header > # vs. v4's 20B > Linux -> FreeBSD 450 700 > FreeBSD -> Linux 455 920 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >=20 > The FreeBSD->Linux value shows that the ethernet chip on the FreeBSD > machine (it's Intel stuff on both sides, using the em(4) driver on > FreeBSD) is able to send at full 1G speed. But why is IPv6 so slow? There are some more numbers, FreeBSD-FreeBSD here: http://people.freebsd.org/~bz/bench/ Apparently, the software stack is capable enough so it may be a driver problem in your case. --------------enigCF341A4A7614C1EAB312449F Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAlA98NAACgkQ/QjVBj3/HSxNtgCeLnPHgg65U9F73IWXPotoyK1P UtMAoJxfgYbbgxQzhKPtvgCjmypkhm18 =OcLw -----END PGP SIGNATURE----- --------------enigCF341A4A7614C1EAB312449F--