From owner-freebsd-stable Tue Jun 12 10: 4:15 2001 Delivered-To: freebsd-stable@freebsd.org Received: from freesbee.wheel.dk (freesbee.wheel.dk [193.162.159.97]) by hub.freebsd.org (Postfix) with ESMTP id 5DA3137B407 for ; Tue, 12 Jun 2001 10:03:46 -0700 (PDT) (envelope-from jesper@skriver.dk) Received: by freesbee.wheel.dk (Postfix, from userid 1001) id 582C05D79; Tue, 12 Jun 2001 19:03:45 +0200 (CEST) Date: Tue, 12 Jun 2001 19:03:45 +0200 From: Jesper Skriver To: "Robin P. Blanchard" Cc: stable@freebsd.org Subject: Re: gigabit woes Message-ID: <20010612190345.A20019@skriver.dk> References: <3B2647E0.E40A2339@gactr.uga.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <3B2647E0.E40A2339@gactr.uga.edu>; from Robin_Blanchard@gactr.uga.edu on Tue, Jun 12, 2001 at 12:48:32PM -0400 X-PGP-Fingerprint: 6B88 9CE8 66E9 E631 C9C5 5EB4 22AB F0EC F956 1C31 X-PGP-Public-Key: http://freesbee.wheel.dk/~jesper/gpgkey.pub Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, Jun 12, 2001 at 12:48:32PM -0400, Robin P. Blanchard wrote: > we've tried both an intel (device xw) gig card > as well as a 3com (device ti) card in a 4.3-STABLE > box. the other end of the line is an extreme black > diamond gig port. both ends are autoconfigured > and the stats on the extreme show it's autoconfigured > at 1000. so everything looks good. we are not seeing > packet loss, either. unfortunately, our transfer > rates are barely reaching 3MB/s. Measured how ? Traffic transfered to/from which host ? Which protocol ? Which HW do you use on the FreeBSD machine > are there some options > on the FreeBSD side we need to fiddle with to get this > thing to do decent performance? sysctl -w net.inet.tcp.sendspace=65536 sysctl -w net.inet.tcp.recvspace=65536 sysctl -w net.inet.tcp.rfc1323=1 And permanent echo "tcp_extensions=\"YES\"" >> /etc/rc.conf echo "net.inet.tcp.sendspace=65536" >> /etc/sysctl.conf echo "net.inet.tcp.recvspace=65536" >> /etc/sysctl.conf /Jesper -- Jesper Skriver, jesper(at)skriver(dot)dk - CCIE #5456 Work: Network manager @ AS3292 (Tele Danmark DataNetworks) Private: FreeBSD committer @ AS2109 (A much smaller network ;-) One Unix to rule them all, One Resolver to find them, One IP to bring them all and in the zone to bind them. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message