Date: Fri, 24 Nov 2000 22:27:34 -0400 (AST) From: Theo Bell <freebsd@cfdnet.me.tuns.ca> To: "Vladimir I. Kulakov" <kulakov@kudesniki.ru> Cc: freebsd-isp@FreeBSD.ORG, security@FreeBSD.ORG Subject: Re: DOS atack of hardware problem? Message-ID: <Pine.BSF.4.21.0011242225230.718-100000@cfdnet.me.tuns.ca> In-Reply-To: <20001124062133.97CBE76F9@mtu.ru>
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Hi, I had this problem with a D-Link 530TX card using device vr0. I swapped cards a couple of times to no avail. Finally I changed the network cable and the problem went away. I can't say for sure that is the solution to your problem, but you never know... HTH Theo Bell On Fri, 24 Nov 2000, Vladimir I. Kulakov wrote: > Hello! > > Last week I noticed some strange messages in my log files: > fxp0 : device timeout > > After that the ping bacame unstable, and somtimes the > server was unreachable. > > Our we replugged the server from 100 Mbit/s 3com switch to > ordinary 10 Mbit/s hub. It helped. The server started to work > fine, but a few days after that the problems appeard again. > It seems the network card in our server unpedicably > swithes from 100 to 10 Mbits and from half-duplex to full duplex. > When we plugged the server to uplink port in our swith, everything > is working fine again... > > Our Ethernet card - Intel Ether Express Pro 100/s > > Can it be a flud or some kind of DOS-atack or it just a hardware > problem? I tried another network card (also Ehter Express 100), > but it's getting even worse - the server does not work at all. > > What is the best way to solve such a problem finally? > > Many thanks in advance... > > ----------------------------------------------------- > Vladimir I. Kulakov http://www.kudesniki.ru/ > VK9-RIPN > kulakov@kudesniki.ru > 2:5020/779.27@fidonet.org > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-security" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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