From owner-freebsd-current Fri Apr 7 12:46:45 2000 Delivered-To: freebsd-current@freebsd.org Received: from gndrsh.dnsmgr.net (GndRsh.dnsmgr.net [198.145.92.4]) by hub.freebsd.org (Postfix) with ESMTP id 22A6D37C068 for ; Fri, 7 Apr 2000 12:46:21 -0700 (PDT) (envelope-from freebsd@gndrsh.dnsmgr.net) Received: (from freebsd@localhost) by gndrsh.dnsmgr.net (8.9.3/8.9.3) id MAA41238; Fri, 7 Apr 2000 12:46:07 -0700 (PDT) (envelope-from freebsd) From: "Rodney W. Grimes" Message-Id: <200004071946.MAA41238@gndrsh.dnsmgr.net> Subject: Re: Overwhelming messages from /sys/netinet/if_ether.c In-Reply-To: from "Alexander N. Kabaev" at "Apr 7, 2000 02:59:10 pm" To: ak03@gte.com (Alexander N. Kabaev) Date: Fri, 7 Apr 2000 12:46:07 -0700 (PDT) Cc: dmmiller@cvzoom.net, current@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL54 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > FreeBSD dhclient-script assigns 0.0.0.0 address to the interface in PREINIT > in order to bring interface up. Windows seems to do that as well or > there is no sane explanation for the relatively big number of these nasty > messages I am getting every time MediaOne network goes down and several PCs > sharing the same cable network segment attempt to renew their lease at the same > time. Ahhh... then perhaps a better fix is to change the gratitious arp routine to _not_ emit the bogus arp who-has arp-i-am when an interface is ifconfig'ed to 0.0.0.0 rather than cause the error logging code to be disabled? > > > On 07-Apr-00 Rodney W. Grimes wrote: > >> The message in question can be extremely useful in case there is IP address > >> clash on the local network. I suggest we just change the code in question to > >> ignore clashes over 0.0.0.0 address only. > > > > No, don't do that, anyone arping 0.0.0.0 on any network around here > > I sure as heck want to know about it asap! Someone someplace on > > that stupid telco's DSL bridged network is mis-configured and > > sending out arp messages for the 0 addresses. Easy enough to > > cause though: > > > > ifconfig xx0 0.0.0.0 up > > > > should do the trick... > > > ---------------------------------- > E-Mail: Alexander N. Kabaev > Date: 07-Apr-00 > Time: 14:35:14 > ---------------------------------- > -- Rod Grimes - KD7CAX @ CN85sl - (RWG25) rgrimes@gndrsh.dnsmgr.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message