From owner-freebsd-net@FreeBSD.ORG Tue Jan 22 16:57:04 2013 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 9809B60D for ; Tue, 22 Jan 2013 16:57:04 +0000 (UTC) (envelope-from jim@netgate.com) Received: from mail-oa0-f46.google.com (mail-oa0-f46.google.com [209.85.219.46]) by mx1.freebsd.org (Postfix) with ESMTP id 35B372FE for ; Tue, 22 Jan 2013 16:57:03 +0000 (UTC) Received: by mail-oa0-f46.google.com with SMTP id h16so7443665oag.5 for ; Tue, 22 Jan 2013 08:57:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:content-type:mime-version:subject:from:in-reply-to:date :cc:content-transfer-encoding:message-id:references:to:x-mailer :x-gm-message-state; bh=SVunTNh3eNKzmxtCjb3Iwjotp8e5JF6y2QCqCqQ0oiU=; b=bJvmJT1ngvVjP9OgxoTqBN4n+DR4bsoHdVnAXwUZOBWah/v2S/0GCj4unL9p5ltpO4 MXmnn1BhwrjDmjY/++ATVMJjtkD1bA9QjtLppnwe37OnJAYsApQLwoR1unY/BMM0SdhV 1OOOIJ9xoHbMTWUXO1kKkz2zdsmH++ZbqsYneAECEb9NtSuvmOVja+QFhN4SBwDI0tsB YhpAfmnQzPCoZUN01LA1u2uGyYB/O7AMLuJYXlFB8F7LZ10awOoi8JStrO9lqhC41LSn l2VEW2m5WkIJkznlR33SjBE96YRf6m3brciHfofpcuXBf8Oj+N/4A9sfv4lHSO2c7uPn JeAA== X-Received: by 10.182.78.228 with SMTP id e4mr17365339obx.77.1358873822966; Tue, 22 Jan 2013 08:57:02 -0800 (PST) Received: from [172.21.0.61] (24-155-177-88.dyn.grandenetworks.net. [24.155.177.88]) by mx.google.com with ESMTPS id go17sm13373935obc.15.2013.01.22.08.57.01 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 22 Jan 2013 08:57:02 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 6.2 \(1499\)) Subject: Re: Data Center Bridging? From: Jim Thompson In-Reply-To: <50FEBF0C.6050307@freebsd.org> Date: Tue, 22 Jan 2013 10:57:06 -0600 Content-Transfer-Encoding: quoted-printable Message-Id: <9A51F061-46CD-450C-ABE4-C1E29AB816F6@netgate.com> References: <50FEBF0C.6050307@freebsd.org> To: Julian Elischer X-Mailer: Apple Mail (2.1499) X-Gm-Message-State: ALoCoQmLmEzS/nhrGLjFat04lB+u3GIaAjVeAJsqCsNY8CmrBml9oPjiwk38PUTTIr3iu3uBRTjr Cc: "freebsd-net@freebsd.org" , "Eggert, Lars" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Jan 2013 16:57:04 -0000 On Jan 22, 2013, at 10:32 AM, Julian Elischer = wrote: > On 1/22/13 8:43 AM, Eggert, Lars wrote: >> Hi, >>=20 >> on Linux, various NICs (e.g., ixgbe) support Data Center Bridging. Is = this also available under FreeBSD? Do *any* NICs support DCB under = FreeBSD? >>=20 >> Thanks, >> Lars >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to = "freebsd-net-unsubscribe@freebsd.org" >>=20 > that really depends on what you want to do > given a freebsd command line and a kernel with the right options I = could probably bridge two networks in about 15 minutes. > (I have done it in the past). > if DCB is a specific protocol then we may need to do some work to = support it. as I've not heard of it. DCB is yet another attempt to 'fix' Ethernet, by eliminating queue = overflow and providing bandwidth allocation on individual links. It was intended to be mostly about storage. Linux uses lldpad and dcbtool to manage the settings. Jim