From owner-freebsd-net@FreeBSD.ORG Sat May 19 11:13:15 2012 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 7CB411065670 for ; Sat, 19 May 2012 11:13:15 +0000 (UTC) (envelope-from lists@rewt.org.uk) Received: from abby.lhr1.as41113.net (unknown [IPv6:2001:b70:201:2::22]) by mx1.freebsd.org (Postfix) with ESMTP id 1633A8FC12 for ; Sat, 19 May 2012 11:13:14 +0000 (UTC) Received: from [172.16.11.45] (unknown [2.30.239.239]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: joe@rewt.org.uk) by abby.lhr1.as41113.net (Postfix) with ESMTPSA id 3VvkBd2hX5z13L4; Sat, 19 May 2012 12:13:13 +0100 (BST) Message-ID: <4FB78040.80301@rewt.org.uk> Date: Sat, 19 May 2012 12:13:04 +0100 From: Joe Holden User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: Sami Halabi References: <4FB4B682.4020606@zhegan.in> <1337276670.15253.2.camel@powernoodle-l7.corp.yahoo.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "freebsd-net@freebsd.org" Subject: Re: ECMP and RADIX_MPATH 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, 19 May 2012 11:13:15 -0000 Sami Halabi wrote: > Hi, > what form of load balancing it makes? > is that apply to 8.3-R/S also? > > thanks, > Sami > > On Thu, May 17, 2012 at 8:56 PM, Li, Qing wrote: > >> It is not working properly in one case, of load balancing among physical >> interfaces having a single prefix, all are attached to the same physical >> link, and reaching a single first-hop router. >> >> The feature itself, of installing (/removing) multiple routing entries of >> varying >> first-hop to the same destination, and having traffic load balance among >> the installed routes work fine. >> >> --Qing >> >> >>> -----Original Message----- >>> From: owner-freebsd-net@freebsd.org [mailto:owner-freebsd- >>> net@freebsd.org] On Behalf Of Sean Bruno >>> Sent: Thursday, May 17, 2012 10:45 AM >>> To: Eugene M. Zheganin >>> Cc: freebsd-net@freebsd.org >>> Subject: Re: ECMP and RADIX_MPATH >>> >>> On Thu, 2012-05-17 at 01:27 -0700, Eugene M. Zheganin wrote: >>>> The problem is that this topic lacks the documentation like totally. >>>> From the commit comments I understand that with RADIX_MPATH I can >>>> use >>>> more than one route towards the destination, but I really cannot find >>>> anywhere the answer to the question 'will some form of balancing, >>>> per-flow or per-packet take place'. >>> It appears that RADIX_MPATH is currently not working properly. See >>> this >>> months mail threads [stable-9] where we discussed it. >>> >>> http://lists.freebsd.org/pipermail/freebsd-net/2012-May/032331.html >>> >>> sean If you intend to use MPATH in production have a glance at this thread from last year for possible problems: http://lists.freebsd.org/pipermail/freebsd-net/2011-December/030683.html Thanks, J