From owner-freebsd-hackers Mon Nov 19 2:25: 6 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from eagle.he.net (eagle.he.net [216.218.174.2]) by hub.freebsd.org (Postfix) with ESMTP id 38F1437B417 for ; Mon, 19 Nov 2001 02:25:01 -0800 (PST) Received: from anjali ([61.11.16.239] (may be forged)) by eagle.he.net (8.8.6/8.8.2) with SMTP id CAA15067; Mon, 19 Nov 2001 02:24:57 -0800 Message-ID: <006301c170e4$4c4fb0f0$0a00a8c0@indranet> From: "Anjali Kulkarni" To: "Alfred Perlstein" Cc: References: <001701c170dd$71b11ac0$0a00a8c0@indranet> <20011119033819.N13393@elvis.mu.org> Subject: Re: tcpdump Date: Mon, 19 Nov 2001 15:53:23 +0530 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4807.1700 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Right! I am on a switch on a small n/w connected to another switch which has a larger n/w connected to it. Will using the hub decrease my response time for fetching web pages? (They are not large pages) Anjali ----- Original Message ----- From: "Alfred Perlstein" To: "Anjali Kulkarni" Cc: Sent: Monday, November 19, 2001 3:08 PM Subject: Re: tcpdump > * Anjali Kulkarni [011119 03:36] wrote: > > Hi, > > > > I am trying to make tcpdump work across 2 machines, ie trying to > > monitor a machine's IP packets from another machine. Just typing > > 'tcpdump host ip2' from the first m/c, say ip1, is not working. > > However, typing 'tcpdump host ip2' on ip2 works fine. Do I have to > > configure BSD packet filter to make this work ? I am working on > > 4.3. > > Please wrap lines at 70 characters. > > You're probably on a switch which means that other hosts on the same > ethernet segment can not see each other's packets. You need a hub > or a switch that supports a monitoring port where all packets are > repeated. > > -- > -Alfred Perlstein [alfred@freebsd.org] > 'Instead of asking why a piece of software is using "1970s technology," > start asking why software is ignoring 30 years of accumulated wisdom.' > http://www.morons.org/rants/gpl-harmful.php3 > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message