Date: Thu, 05 Jun 2008 10:50:06 +0200 From: PP <freebsd-net@pp.dyndns.biz> To: freebsd-net@freebsd.org Subject: Re: network keep droping Message-ID: <4847A8BE.4010201@pp.dyndns.biz> In-Reply-To: <b51ac81b0806041137k130a6c57s38115749326f2199@mail.gmail.com> References: <b51ac81b0806041137k130a6c57s38115749326f2199@mail.gmail.com>
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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
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