From owner-freebsd-questions Sat Jan 11 12:29:14 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 BF8A337C08F for ; Sat, 11 Jan 2003 12:29:12 -0800 (PST) Received: from rwcrmhc51.attbi.com (rwcrmhc51.attbi.com [204.127.198.38]) by mx1.FreeBSD.org (Postfix) with ESMTP id 386FF43F43 for ; Sat, 11 Jan 2003 12:29:12 -0800 (PST) (envelope-from freebsd-questions-local@be-well.no-ip.com) Received: from be-well.ilk.org (lowellg.ne.client2.attbi.com[24.147.188.198]) by rwcrmhc51.attbi.com (rwcrmhc51) with ESMTP id <20030111202911051007pfjse>; Sat, 11 Jan 2003 20:29:11 +0000 Received: from be-well.ilk.org (lowellg.ne.client2.attbi.com [24.147.188.198] (may be forged)) by be-well.ilk.org (8.12.6/8.12.6) with ESMTP id h0BKTA8O012393 for ; Sat, 11 Jan 2003 15:29:10 -0500 (EST) (envelope-from freebsd-questions-local@be-well.no-ip.com) Received: (from lowell@localhost) by be-well.ilk.org (8.12.6/8.12.6/Submit) id h0BKTAfA012390; Sat, 11 Jan 2003 15:29:10 -0500 (EST) X-Authentication-Warning: be-well.ilk.org: lowell set sender to freebsd-questions-local@be-well.ilk.org using -f To: freebsd-questions@freebsd.org Subject: Re: adding some new IPs from a different subnet References: From: Lowell Gilbert Date: 11 Jan 2003 15:29:10 -0500 In-Reply-To: Message-ID: <44ptr3a0rt.fsf@be-well.ilk.org> Lines: 31 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii 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 Kevin Stevens writes: > On Saturday, Jan 11, 2003, at 08:28 US/Pacific, Lowell Gilbert wrote: > >> I think this is it: > >> > >> net.link.ether.inet.log_arp_wrong_iface > >> > >> Check whether yours is off or on and change it the other way. > > > > It would be better to fix the actual problem than to just make the > > error message go away. In this case, specifying a correct subnet mask > > on the alias configuration should solve the problem. [I think.] > > I saw the note about the incorrect mask on the second 10. address; and > agree that it needs fixing, but I don't think that was the source of > the log messages. I ran into the same thing when I had different NICS > on different IP subnets on the same physical network some time ago - > that's how I remembered the setting. That's why there's a sysctl for > it - depending on your configuration, it isn't actually an error. The incorrect netmask would be enough to cause the message. And I happen to think that the message *always* indicates an error. In many cases, it indicates an ISP error that you (downstream) can't do anything about, but it's always an error. [My logic is: within the window of a single ARP timeout, an IP address should not be used on the link by a different Ethernet address. > Let's see what the OP discovers. I'm sure that one way or another, he's fine. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message