From owner-freebsd-net@FreeBSD.ORG Wed Dec 31 23:27:38 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AADDC106566B for ; Wed, 31 Dec 2008 23:27:38 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from mail17.syd.optusnet.com.au (mail17.syd.optusnet.com.au [211.29.132.198]) by mx1.freebsd.org (Postfix) with ESMTP id 3DD8C8FC12 for ; Wed, 31 Dec 2008 23:27:38 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from server.vk2pj.dyndns.org (c122-106-215-175.belrs3.nsw.optusnet.com.au [122.106.215.175]) by mail17.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id mBVNRZSI015533 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 1 Jan 2009 10:27:36 +1100 X-Bogosity: Ham, spamicity=0.000000 Received: from server.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1]) by server.vk2pj.dyndns.org (8.14.3/8.14.3) with ESMTP id mBVNRYS8045875; Thu, 1 Jan 2009 10:27:34 +1100 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.14.3/8.14.3/Submit) id mBVNRY6p045874; Thu, 1 Jan 2009 10:27:34 +1100 (EST) (envelope-from peter) Date: Thu, 1 Jan 2009 10:27:34 +1100 From: Peter Jeremy To: ibmed Message-ID: <20081231232734.GE87057@server.vk2pj.dyndns.org> References: <21218952.post@talk.nabble.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="XMCwj5IQnwKtuyBG" Content-Disposition: inline In-Reply-To: <21218952.post@talk.nabble.com> X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.18 (2008-05-17) Cc: freebsd-net@freebsd.org Subject: Re: em driver problems? taskq em goes up to 100% CPU X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Dec 2008 23:27:39 -0000 --XMCwj5IQnwKtuyBG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2008-Dec-30 07:58:58 -0800, ibmed wrote: >There's two FreeBSD boxes that do ipfw nat. >Both worked with natd until some time ago, when it became clear that we ne= ed >a better solution. So I upgraded sources and recompiled to kernel to inclu= de >ipfw nat features. The boxes have onboard msk-net cards that worked fine >under natd. When I ran into similar load issues, I switched to ipfilter because the IPFW kernel NAT didn't exist at the time. If you are unable to find another solution, possibly you could try a different firewall. >options DUMMYNET >options IPDIVERT Are you using dummynet or ipdivert functionality? >fastforwarding is on, polling is off: >net.inet.ip.fastforwarding: 1 Have you tried disabling fastforwarding? What if your hardware configuration and how much traffic are you pushing through the system? --=20 Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. --XMCwj5IQnwKtuyBG Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAklb/+YACgkQ/opHv/APuIdY/ACfRKDrhw1wbK0gg9MnB2pyv8Mv hqcAnA05l0TYowJBk+CVPSxZwVdLkYO2 =j3k4 -----END PGP SIGNATURE----- --XMCwj5IQnwKtuyBG--