From owner-freebsd-questions Wed Aug 14 14: 8:40 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D0D3737B400 for ; Wed, 14 Aug 2002 14:08:38 -0700 (PDT) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id 38AC243E3B for ; Wed, 14 Aug 2002 14:08:38 -0700 (PDT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.12.5/8.12.5) id g7EL8aMt069405; Wed, 14 Aug 2002 16:08:36 -0500 (CDT) (envelope-from dan) Date: Wed, 14 Aug 2002 16:08:36 -0500 From: Dan Nelson To: Mark Rowlands Cc: freebsd-questions@FreeBSD.ORG Subject: Re: tool to derive ip from mac address of a remote box? Message-ID: <20020814210836.GB2459@dan.emsphone.com> References: <200208142056.45333.mark.rowlands@minmail.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200208142056.45333.mark.rowlands@minmail.net> X-OS: FreeBSD 5.0-CURRENT X-message-flag: Outlook Error User-Agent: Mutt/1.5.1i 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 In the last episode (Aug 14), Mark Rowlands said: > I know this is not strictly freebsd related but ......there is a > dodgy network card somewhere on my network pumping 1.5mb/s of > crap..... All I have is a mac address, how can I get an ip for it? If you use managed switches, you can use their arp tables to trace your way back to the source machine. Some Ciscos even have an "l2trace" command that will do a traceroute given a MAC address. -- Dan Nelson dnelson@allantgroup.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message