Date: Thu, 14 Nov 1996 17:01:51 +0100 (MET) From: Christoph Kukulies <kuku@gilberto.physik.rwth-aachen.de> To: kallio@cc.jyu.fi (Seppo Kallio) Cc: shovey@buffnet.net, freebsd-questions@freebsd.org Subject: Re: arp info overwritten Message-ID: <199611141601.RAA08975@gilberto.physik.rwth-aachen.de> In-Reply-To: <Pine.NEB.3.92.961114163048.11617V-100000@silmu.cc.jyu.fi> from Seppo Kallio at "Nov 14, 96 04:38:45 pm"
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> On Thu, 14 Nov 1996, Steve wrote: > > > > > To me this looks like you put the same IP address on more than one box! > > Yes it seems but this other is in every case the same 00:00:0c:15:e7:0d > > It seems, it is changing it's ip number 2 times per minute because it is > routing ip packets inside our net. > > I know it is a Cisco routing device + we are using "classless" > internet (variable length masks). > > I am not expert in routing etc. just trying to run some FreeBSD nodes. > > Network gurus admit there is a problem in the network, but why only > FreeBSD nodes seem to suffer from it? Does FreeBSD really suffer from it? I would say, FreeBSD is the only box noticing the problem. You should be proud of it :-) > > Seppo > > > > > On Thu, 14 Nov 1996, Seppo Kallio wrote: > > > > > > > > I am getting these error messages and it seems that 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 > > > > --Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de
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