From owner-freebsd-questions Fri Mar 14 10:20:17 2003 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 645D737B401 for ; Fri, 14 Mar 2003 10:20:15 -0800 (PST) Received: from hermes.pressenter.com (hermes.pressenter.com [209.224.20.19]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3AA3443F75 for ; Fri, 14 Mar 2003 10:20:14 -0800 (PST) (envelope-from nospam@hiltonbsd.com) Received: from [209.224.32.222] (helo=daggar.sbgnet.net) by hermes.pressenter.com with smtp (Exim 3.16 #1) id 18ttmu-0001yc-00; Fri, 14 Mar 2003 12:20:12 -0600 Date: Fri, 14 Mar 2003 12:20:09 -0600 From: Stephen Hilton To: darryl@osborne-ind.com, Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Arplookup - what gives ? Message-Id: <20030314122009.16725e05.nospam@hiltonbsd.com> In-Reply-To: <20030314114311.6edfa0cd.nospam@hiltonbsd.com> References: <002301c2ea4f$c81301c0$0701a8c0@darryl> <20030314114311.6edfa0cd.nospam@hiltonbsd.com> X-Mailer: Sylpheed version 0.8.10 (GTK+ 1.2.10; i386-portbld-freebsd4.8) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 On Fri, 14 Mar 2003 11:43:11 -0600 Stephen Hilton wrote: > On Fri, 14 Mar 2003 11:33:08 -0600 > "Darryl Hoar" wrote: > > > Greetings, > > I have posted several questions regarding an arplookup failure > > message I have been receiving. I have google'd until my > > eyes are falling out, and have found nothing that explains > > how to FIX the problem. > > > > I am running 4.7-stable on a box. It is my firewall, nat box. > > ep0 is connected to my ISP's dsl. ep1 is connected to > > my internal private LAN. My internal lan uses the private > > ip addresses 192.168.1.x. I have two machines on my > > internal lan, not including the firewall box. > > > > I am getting > > /kernel arplookup failure: 10.1.1.1 not on local network. > > > > my ISP assigns a real IP to my ep0 interface usings dhcp. > > > > what is causing this and how do I stop it ? I have added a > > rule to block 10.x.x.x in, but it has not stopped the messages. > > > > I can ping 10.1.1.1, and if I down ep0, I cannot ping 10.1.1.1. > > > > I have alerted my ISP to this problem (thought 10.x.x.x weren't > > suppose to be routed). > > Darryl, > > What IP addresses does your DSL router use, possibly 10.x.x.x ? > Whoops, re-read your post, my bad. I have seen ISP's use non-routable IP's in their infrastructure before, this is "not a good thing" but helps them conserve IP addresses. Can you traceroute to 10.1.1.1 or a polite nmap, this may provide you with some more clues. Regards, Stephen Hilton nospam@hiltonbsd.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message