From owner-freebsd-net Tue Sep 18 18:35:50 2001 Delivered-To: freebsd-net@freebsd.org Received: from InterJet.elischer.org (c421509-a.pinol1.sfba.home.com [24.7.86.9]) by hub.freebsd.org (Postfix) with ESMTP id E9AA937B401 for ; Tue, 18 Sep 2001 18:35:40 -0700 (PDT) Received: from localhost (localhost.elischer.org [127.0.0.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id TAA23847; Tue, 18 Sep 2001 19:05:23 -0700 (PDT) Date: Tue, 18 Sep 2001 19:05:21 -0700 (PDT) From: Julian Elischer To: Mike Saunders Cc: Lars Eggert , freebsd-net@freebsd.org Subject: RE: kernel arp messages In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Tue, 18 Sep 2001, Mike Saunders wrote: > Thanks for all the replies gentlemen! I'll try to clear some things up > here: > > On Tue, 18 Sep 2001, Lars Eggert wrote: > > > Date: Tue, 18 Sep 2001 17:31:24 -0800 > > From: Lars Eggert > > To: Mike Saunders , freebsd-net@freebsd.org > > Subject: RE: kernel arp messages > > > > > Sep 18 15:01:54 router /kernel: arp: 209.74.87.1 is on lo0 but got reply > > > from 00:60:08:35:57:4e on xl0 > > > > And this is *really* ugly! Are you proxy-arping? Someone is advertising > > one of your local IP addresses. > how did that address get on lo0? what is netstat -r (or ifconfig) showing? > Actually Lars, > If you notice the MAC, it's the same as: > > ep0: flags=8843 mtu 1500 > inet 209.74.87.1 netmask 0xffffff00 broadcast 209.74.87.255 > ether 00:60:08:35:57:4e > > So 209.74.87.1 is on ep0 which is on lo0 but gets caught at xl0, according > to this machine. ep0 is NOT "ON" lo0 What makes you say that strange thing? > > So maybe a picture will help > > | > | > | > 209.74.92/24 > | > (xl0) > FreeBSD Router > (ep0) > | > 209.74.87/24 > | > switches > > This is what I believe to be the current set up. Now that I read the > email mentioning the loop, it's possible that somebody has thrown in a hub > connecting both networks. I know there's one in the closet. I'll have to > go and check. that would be my guess. > > Ideally, all I'm trying to do is route one class C into my what is the link to the provider? > provider's network. I just want a router, it happens to be running > FreeBSD instead of IOS. > > I'll have to go take a look at the cabling setups though. Thanks for the > tips everybody. > > -Mike > method@method.cx > > > > > > Again, I think a picture of your setup would help. It sounds like you're > > simply trying to set up a FreeBSD router between to networks, this should > > not be so complicated. > > > > Lars > > -- > > Lars Eggert Information Sciences Institute > > http://www.isi.edu/larse/ University of Southern California > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message