From owner-freebsd-net@FreeBSD.ORG Sat Dec 4 13:03:10 2010 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 98277106566C for ; Sat, 4 Dec 2010 13:03:10 +0000 (UTC) (envelope-from feenberg@nber.org) Received: from mail2.nber.org (mail2.nber.org [66.251.72.79]) by mx1.freebsd.org (Postfix) with ESMTP id 218EC8FC08 for ; Sat, 4 Dec 2010 13:03:09 +0000 (UTC) Received: from nber6.nber.org (nber6.nber.org [66.251.72.76]) by mail2.nber.org (8.14.4/8.14.4) with ESMTP id oB4CVeF0037853 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NOT); Sat, 4 Dec 2010 07:31:41 -0500 (EST) (envelope-from feenberg@nber.org) Received: from nber6.nber.org (localhost [127.0.0.1]) by nber6.nber.org (8.13.8+Sun/8.12.10) with ESMTP id oB4CTMh7007440; Sat, 4 Dec 2010 07:29:22 -0500 (EST) Received: from localhost (Unknown UID 1079@localhost) by nber6.nber.org (8.13.8+Sun/8.13.8/Submit) with ESMTP id oB4CTIPY007437; Sat, 4 Dec 2010 07:29:19 -0500 (EST) X-Authentication-Warning: nber6.nber.org: Unknown UID 1079 owned process doing -bs Date: Sat, 4 Dec 2010 07:29:18 -0500 (EST) From: Daniel Feenberg To: Jack Vogel In-Reply-To: Message-ID: References: <201011270946271408828@yahoo.com.cn> <20101128081617.GA90332@zibbi.meraka.csir.co.za> <4CF73A2C.7000802@rdtc.ru> <4CF89EE7.8020807@rdtc.ru> <4CF93A77.30804@rdtc.ru> <4CF9470F.4020709@sentex.net> <4CF947D4.10504@rdtc.ru> <4cf9ef71./9OtjLOA2+IV0UUh%perryh@pluto.rain.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Anti-Virus: Kaspersky Anti-Virus for Linux Mail Server 5.6.39/RELEASE, bases: 20101203 #4397277, check: 20101204 clean Cc: freebsd-net@freebsd.org, perryh@pluto.rain.com, egrosbein@rdtc.ru, mike@sentex.net Subject: Re: Problem with igb(4) updated to version 2.0.7 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: Sat, 04 Dec 2010 13:03:10 -0000 On Sat, 4 Dec 2010, Jack Vogel wrote: > LOL, ya, I have one of those switches that takes that long, a > Dell 5224, takes some getting used to when you're used to > back to back speeds :) On the Dell you can speed things up with the "portfast" option. "Rapid STP" will also help. These should be available on expensive switches. Cheap switches don't cause any delay (the don't do STP which is the source of the delay). FreeBSD shouldn't count on that being available, though. Daniel Feenberg