From owner-freebsd-questions@FreeBSD.ORG Tue Aug 4 07:02:17 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BC6E31065670 for ; Tue, 4 Aug 2009 07:02:17 +0000 (UTC) (envelope-from perryh@pluto.rain.com) Received: from agora.rdrop.com (unknown [IPv6:2607:f678:1010::34]) by mx1.freebsd.org (Postfix) with ESMTP id 958DB8FC15 for ; Tue, 4 Aug 2009 07:02:17 +0000 (UTC) (envelope-from perryh@pluto.rain.com) Received: from agora.rdrop.com (66@localhost [127.0.0.1]) by agora.rdrop.com (8.13.1/8.12.7) with ESMTP id n7472G3g080100 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 4 Aug 2009 00:02:17 -0700 (PDT) (envelope-from perryh@pluto.rain.com) Received: (from uucp@localhost) by agora.rdrop.com (8.13.1/8.12.9/Submit) with UUCP id n7472Gjc080097; Tue, 4 Aug 2009 00:02:16 -0700 (PDT) Received: from fbsd61 by pluto.rain.com (4.1/SMI-4.1-pluto-M2060407) id AA02514; Mon, 3 Aug 09 23:59:18 PDT Date: Mon, 03 Aug 2009 23:56:05 -0700 From: perryh@pluto.rain.com To: joel@vnode.se, glen.j.barber@gmail.com Message-Id: <4a77db85.YjBDPg0yifmYRuT9%perryh@pluto.rain.com> References: <4A7753A0.7040006@vnode.se> <4ad871310908031553i7c69708fv9d162514816c3e10@mail.gmail.com> In-Reply-To: <4ad871310908031553i7c69708fv9d162514816c3e10@mail.gmail.com> User-Agent: nail 11.25 7/29/05 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: Weird networking issue X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Aug 2009 07:02:18 -0000 Glen Barber wrote: > On Mon, Aug 3, 2009 at 5:16 PM, Joel Dahl wrote: [snip description of network flakiness on one server, out of several on the same switch behind the same gateway] > > Any ideas? :-) > > > I have 2: > 1.) Bad NIC > 2.) Bad CPU 3. Bad cable from NIC to switch 4. Bad switch port These may not be all that likely, but they're easy to test if you have even a marginally-competent tech available at the site.