From owner-freebsd-questions Wed May 6 11:59:34 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA23338 for freebsd-questions-outgoing; Wed, 6 May 1998 11:59:34 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from darius.concentric.net (darius.concentric.net [207.155.184.79]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA23331 for ; Wed, 6 May 1998 11:59:30 -0700 (PDT) (envelope-from Ashort@concentric.net) Received: from mcfeely.concentric.net (mcfeely.concentric.net [207.155.184.83]) by darius.concentric.net (8.8.8/(98/04/23 5.10)) id OAA21633; Wed, 6 May 1998 14:59:27 -0400 (EDT) [1-800-745-2747 The Concentric Network] Received: from viking.cris.com (viking.concentric.net [206.173.119.81]) by mcfeely.concentric.net (8.8.8) id OAA09732; Wed, 6 May 1998 14:59:26 -0400 (EDT) Date: Wed, 6 May 1998 14:59:25 -0400 (EDT) From: Andrew Short X-Sender: Ashort@viking.cris.com To: Clod Baldrick cc: freebsd-questions@FreeBSD.ORG Subject: Re: Bizarre routing problem In-Reply-To: <35509797.E04C8832@rmsq.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, 6 May 1998, Clod Baldrick wrote: Help more....need the ifconfig of the interfaces that are trying to talk to each other. As a blind guess, make sure they have the same subnet mask AND broadcast address, because the broadcast address is both the send and receive address for the arp that goes out when you ping an address onthe same subnet. If an interface isn't listening on the right broadcast address, it will go right over the interface and never see that it is being pinged. > At some point, however, something happened. The new machine and the Linux > box can no longer see each other. Trying to ping one machine from the other > fails, with no useful error message. Doing a traceroute from the FreeBSD > (tomcat) to the Linux (lancaster) prints lots of asterisks: > > traceroute to lancaster (130.13.21.91), 30 hops max, 40 byte packets > 1 * *^C > > while going the other way, we get `Host unreachable': > > traceroute to tomcat (130.13.21.92), 30 hops max, 40 byte packets > 1 lancaster (130.13.21.91) 0.386 ms !H 0.14 ms !H 0.104 ms !H > > It doesn't look like a cabling problem: putting a FreebSD laptop onto the > same cable works fine. > > Does anyone have any ideas? > > -- > Clod Baldrick > RMS, Longmont CO > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > ----------------------------------------------------------------------- Andrew Short Colossians 3:23 ashort@concentric.net http://www.concentric.net/~ashort/ ----------------------------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message