From owner-freebsd-stable Mon May 14 21:44: 2 2001 Delivered-To: freebsd-stable@freebsd.org Received: from point.osg.gov.bc.ca (point.osg.gov.bc.ca [142.32.102.44]) by hub.freebsd.org (Postfix) with ESMTP id 2481437B422 for ; Mon, 14 May 2001 21:44:00 -0700 (PDT) (envelope-from Cy.Schubert@uumail.gov.bc.ca) Received: (from daemon@localhost) by point.osg.gov.bc.ca (8.8.7/8.8.8) id VAA21376; Mon, 14 May 2001 21:43:47 -0700 Received: from passer.osg.gov.bc.ca(142.32.110.29) via SMTP by point.osg.gov.bc.ca, id smtpda21374; Mon May 14 21:43:27 2001 Received: (from uucp@localhost) by passer.osg.gov.bc.ca (8.11.2/8.9.1) id f4F4hM248195; Mon, 14 May 2001 21:43:22 -0700 (PDT) Received: from cwsys9.cwsent.com(10.2.2.1), claiming to be "cwsys.cwsent.com" via SMTP by passer9.cwsent.com, id smtpdL48193; Mon May 14 21:42:22 2001 Received: (from uucp@localhost) by cwsys.cwsent.com (8.11.3/8.9.1) id f4F4gLw07243; Mon, 14 May 2001 21:42:21 -0700 (PDT) Message-Id: <200105150442.f4F4gLw07243@cwsys.cwsent.com> Received: from localhost.cwsent.com(127.0.0.1), claiming to be "cwsys" via SMTP by localhost.cwsent.com, id smtpdCC7229; Mon May 14 21:42:04 2001 X-Mailer: exmh version 2.3.1 01/18/2001 with nmh-1.0.4 Reply-To: Cy Schubert - ITSD Open Systems Group From: Cy Schubert - ITSD Open Systems Group X-Sender: schubert To: Doug Hardie Cc: stable@FreeBSD.ORG Subject: Re: tcpdump problem with 4.3-Release In-reply-to: Your message of "Mon, 14 May 2001 20:44:22 PDT." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 14 May 2001 21:42:04 -0700 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message , Doug Hardie writes: > Is there a problem with tcpdump on 4.3-Release? On a system with > very low packet rates, tcpdump never displays any packets. Its as if > its in buffered mode. Eventually it will show traffic, but it > appears that some of the packets are not actually displayed. On a > system with lots of traffic, you see packets much faster, but they > still look a bit sparce. ntop never sees anything on the low traffic > system. -l Make stdout line buffered. Useful if you want to see the data while capturing it. E.g., ``tcpdump -l | tee dat'' or ``tcpdump -l > dat & tail -f dat''. Regards, Phone: (250)387-8437 Cy Schubert Fax: (250)387-5766 Team Leader, Sun/Alpha Team Internet: Cy.Schubert@osg.gov.bc.ca Open Systems Group, ITSD, ISTA Province of BC To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message