From owner-freebsd-questions Mon Oct 29 7:14:22 2001 Delivered-To: freebsd-questions@freebsd.org Received: from sudz.ns3g.com (196.40.220-216.q9.net [216.220.40.196]) by hub.freebsd.org (Postfix) with ESMTP id C08D037B406 for ; Mon, 29 Oct 2001 07:14:18 -0800 (PST) Received: from cooler (cr768924-a.etob1.on.wave.home.com [24.42.29.172]) by sudz.ns3g.com (8.11.6/8.11.6) with SMTP id f9TFFYj09179 for ; Mon, 29 Oct 2001 10:15:35 -0500 (EST) (envelope-from sudz@ns3g.com) Reply-To: From: "Colin Legendre" To: Subject: net.inet.tcp.mssdflt Date: Mon, 29 Oct 2001 10:15:30 -0500 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Importance: Normal Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I have a few questions regarding pmtu, mss, etc.. If pmtud is turned off, does freebsd conform to rfc's and send only 576 byte packets to non local addresses. It does not seem to as although my net.inet.tcp.mssdflt=512, when I look at tcpdump is still shows the mss is 1460? When is this sysctl variable used? Colin Legendre CCNA, MCP sudz@ns3g.com http://www.ns3g.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message