Date: Fri, 24 Nov 2000 09:21:32 +0300 From: "Vladimir I. Kulakov" <kulakov@kudesniki.ru> To: <freebsd-isp@FreeBSD.ORG>, <security@FreeBSD.ORG> Subject: DOS atack of hardware problem? Message-ID: <20001124062133.97CBE76F9@mtu.ru>
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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-isp" in the body of the message
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