From owner-freebsd-questions Thu Nov 14 07:31:01 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id HAA15250 for questions-outgoing; Thu, 14 Nov 1996 07:31:01 -0800 (PST) Received: from silver.sms.fi (root@silver.sms.fi [194.111.122.1]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id HAA15244 for ; Thu, 14 Nov 1996 07:30:51 -0800 (PST) Received: (from pete@localhost) by silver.sms.fi (8.7.6/8.7.3) id RAA06384; Thu, 14 Nov 1996 17:29:37 +0200 (EET) Date: Thu, 14 Nov 1996 17:29:37 +0200 (EET) Message-Id: <199611141529.RAA06384@silver.sms.fi> From: Petri Helenius To: Steve Cc: Seppo Kallio , freebsd-questions@FreeBSD.ORG Subject: Re: arp info overwritten In-Reply-To: References: Sender: owner-questions@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk shovey@buffnet.net writes: > > To me this looks like you put the same IP address on more than one box! no, it's a cisco router thinking it has a better router for the destination and proxy-arping it. Usually results from a misconfigured netmask either in the host or the router. (proxy-arp is bad anyway and Cisco's are stupid enough to have it on by default) Pete > > On Thu, 14 Nov 1996, Seppo Kallio wrote: > > > > > I am getting these error messages and it seems that it the connection to > > the ip-number (usually a DOS micro with NCSA Telnet) is lost from our > > FreeBSD 2.1.5 server. > > > > 1. I assume the error is in network gateway unit at 00:00:0c:15:e7:0d > > 2. Can I somehow solve the problem in the FreeBSD box by adding some > > routing info or something. > > 3. Can I dissable this overwriting somehow? How? > > > > This problem and error message appears only in the FreeBSD nodes, not in > > Solaris, Linux, HP/UX etc. as far as I know. > > > > Nov 14 12:00:01 silmu /kernel: arp info overwritten for 130.234.137.43 by > > 00:00:0c:15:e7:0d > > Nov 14 12:00:30 silmu /kernel: arp info overwritten for 130.234.137.43 by > > 08:00:07:94:74:83 > > Nov 14 12:01:28 silmu /kernel: arp info overwritten for 130.234.137.46 by > > 00:00:0c:15:e7:0d > > Nov 14 12:01:55 silmu /kernel: arp info overwritten for 130.234..141.6 by > > 00:a0:24:67:9a:e4 > > Nov 14 12:05:23 silmu /kernel: arp info overwritten for 130.234.138.11 by > > 00:00:0c:15:e7:0d > > Nov 14 12:05:23 silmu /kernel: arp info overwritten for 130.234.138.11 by > > 00:00:c0:d3:6f:a3 > > > > One network guru here is explaining the gateway unit is sometimes > > answering too fast to the caller or something, faster than the FreeBSD > > node. > > > > > > Seppo Kallio > > U of Jyvaskyla > > Finland > > > > >