From owner-freebsd-net@FreeBSD.ORG Thu Jun 5 19:08:09 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B9F601065672 for ; Thu, 5 Jun 2008 19:08:09 +0000 (UTC) (envelope-from raggen@passagen.se) Received: from av10-2-sn2.hy.skanova.net (av10-2-sn2.hy.skanova.net [81.228.8.182]) by mx1.freebsd.org (Postfix) with ESMTP id 4AFDC8FC25 for ; Thu, 5 Jun 2008 19:08:09 +0000 (UTC) (envelope-from raggen@passagen.se) Received: by av10-2-sn2.hy.skanova.net (Postfix, from userid 502) id E180F37EFF; Thu, 5 Jun 2008 20:36:20 +0200 (CEST) Received: from smtp4-2-sn2.hy.skanova.net (smtp4-2-sn2.hy.skanova.net [81.228.8.93]) by av10-2-sn2.hy.skanova.net (Postfix) with ESMTP id CAB6137EEA; Thu, 5 Jun 2008 20:36:20 +0200 (CEST) Received: from [192.168.1.31] (90-230-141-139-no41.tbcn.telia.com [90.230.141.139]) by smtp4-2-sn2.hy.skanova.net (Postfix) with ESMTP id BB08337E45; Thu, 5 Jun 2008 20:36:17 +0200 (CEST) Message-ID: <48483297.5030809@passagen.se> Date: Thu, 05 Jun 2008 20:38:15 +0200 From: Roger Olofsson User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: PP References: <4847A8BE.4010201@pp.dyndns.biz> In-Reply-To: <4847A8BE.4010201@pp.dyndns.biz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org Subject: Re: network keep droping X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Jun 2008 19:08:09 -0000 PP skrev: > Izwan Mohd wrote: >> Hi, >> >> I have being encountering a weird problem on my freebsd 6 , one of my >> remote >> machine being down frequently lately for no particular reason, when I >> go to >> the remote site to check then machine it was in good running condition >> but >> no network, it even can't ping the server on the same subnet, the only >> way >> to restore it back is by running: >> >> route -n flush && /etc/netstart >> >> but because it a remote machine it really troublesome to do that each >> time >> the machine is down, I resorted to use a crontab scripts to automatically >> run the previous command when it down, even tho that partial of the >> problem >> is solve I still need to know what causing it. can anyone could advise me >> where to start digging?? they is no any particular error in the log or >> dmseg >> when the machine dropped it connection so I'm stuck here don't know >> where to >> start, some help should clear something up for me >> >> TQ > > This sounds vaguely similar to what I've experienced myself with an > onboard em0 on a Supermicro mainboard. NIC suddenly stopped working for > no appearent reason. Believing the NIC was bad I throw in an extra NIC > and ran the machine from that. But within a month a capacitor blew in > the PSU and when I replaced the PSU the onboard NIC worked again. This > scenario repeated 3 times in exactly the same way before I switched to > another PSU brand and haven't had any problems since. In my case I > couldn't get the NIC running with a simple flushing of the routes > though. But if nothing has changed in the software on the machine you > should probably start looking at the hardware. > /PP > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > > > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG. > Version: 8.0.100 / Virus Database: 270.0.0/1484 - Release Date: 2008-06-04 16:40 Is it on DHCP? Sounds like it's lost the lease or the default route? /R