From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-x236.google.com (mail-wi0-x236.google.com [IPv6:2a00:1450:400c:c05::236]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 3B10821F113 for ; Tue, 18 Mar 2014 10:17:05 -0700 (PDT) Received: by mail-wi0-f182.google.com with SMTP id d1so4015462wiv.9 for ; Tue, 18 Mar 2014 10:17:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=j8mlqfjKb7sss5i6mJc8LpNFI1BW0IvAKsgJ2SwrX2M=; b=MtW68SZV8d1Bgu+ZXTnCs3rjwiN6mrSAWKrx0JB1fH+6t5JvtOEMLnY74xhiKWRflr /q3xWcLd5ajPD2jBxRe8WEP3Gg8qCBjiVFR9z9IU+BKmYS/X2D9fuXW8h0Vi5lcRm7vF EGu6i91UDGlnOpPY5Rbhiw0+94mIzJOBVcIlT2pKeavJOXvvGjjSxvkjJtnldRs0QEzV Go9e9akOLZs++nlMfIX0BRLXIvXPiRPWFDyIbcAsV50fhiPAu+KuQvMQlK/lMpBUITRQ /cI4YQ/KJ5EQdtclTOS7VTl0rKcOKichEnHxXT1BFSZ5pLqd4RDQahtb3UvPQf9mALiZ 4gNA== MIME-Version: 1.0 X-Received: by 10.180.97.37 with SMTP id dx5mr15095797wib.53.1395163023394; Tue, 18 Mar 2014 10:17:03 -0700 (PDT) Received: by 10.216.8.1 with HTTP; Tue, 18 Mar 2014 10:17:03 -0700 (PDT) In-Reply-To: <20140318145221.GA31327@sesse.net> References: <20140318145221.GA31327@sesse.net> Date: Tue, 18 Mar 2014 13:17:03 -0400 Message-ID: From: Dave Taht To: "Steinar H. Gunderson" Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: bloat Subject: Re: [Bloat] AQM creeping into L2 equipment X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Mar 2014 17:17:05 -0000 On Tue, Mar 18, 2014 at 10:52 AM, Steinar H. Gunderson wrote: > Hi, > > I thought some of you might be interested in a small observation I made > today: Cisco 2960-X, their latest low-end (?) L2 access switch offering > (well, it can do some L3 as well, especially the 2960-XR, but I don't thi= nk > it's very commonly used), has WRED on its feature list. They also have I would certainly like good documentation on how to configure it and results with/without on a two ports into one test. > something that looks like SFQ. DRR was quite common until fairly recently. > We ordered two a while back but haven't > received them yet, so I haven't tested how well it works in practice. > > I guess this mirrors my desire since a few years back that _any_ congesti= on > point in your network (and a switch that supports both 10gig and 1gig is = a > prime candidate for becoming a congestion point on downconversion...) sho= uld > have some form of AQM. +1 > Of course, it's no CoDel or PIE, but you take what you > get... I recently spent some time trying to make an edgerouter lite v.1.4.1 work with rate limiting and RED or SFQ. Neither did. (will fiddle some more) Turns out there is an openwrt build for that hw... given that the cerowrt hardware peaks out at about 50mbit I'd really like to find something that got up to 200mbit+. > > /* Steinar */ > -- > Homepage: http://www.sesse.net/ > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat --=20 Dave T=E4ht Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.= html