From owner-freebsd-pf@FreeBSD.ORG Wed Jul 6 23:09:49 2011 Return-Path: Delivered-To: freebsd-pf@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 189B7106566B for ; Wed, 6 Jul 2011 23:09:49 +0000 (UTC) (envelope-from Greg.Hennessy@nviz.net) Received: from mail2.jellyfishnet.co.uk (mail2.jellyfishnet.co.uk [93.91.20.10]) by mx1.freebsd.org (Postfix) with ESMTP id AFEEA8FC0A for ; Wed, 6 Jul 2011 23:09:48 +0000 (UTC) Received: from pemexhub01.jellyfishnet.co.uk.local (93.91.20.3) by mail2.jellyfishnet.co.uk (93.91.20.10) with Microsoft SMTP Server (TLS) id 8.1.436.0; Thu, 7 Jul 2011 00:09:51 +0100 Received: from PEMEXMBXVS04.jellyfishnet.co.uk.local ([192.168.65.51]) by pemexhub01.jellyfishnet.co.uk.local ([192.168.65.7]) with mapi; Thu, 7 Jul 2011 00:09:47 +0100 From: Greg Hennessy To: Calomel Org , "freebsd-pf@freebsd.org" Date: Thu, 7 Jul 2011 00:09:43 +0100 Thread-Topic: pf ALTQ bandwidth limited to a 32bit value (4294Mb) Thread-Index: Acw79JIqWCqJe6eBT7+VzOsMdMCisAAPNDFg Message-ID: <9EB23F6C23A8B6488E8BCC92A48E83261277A0ACB9@PEMEXMBXVS04.jellyfishnet.co.uk.local> References: <20110706152506.GA26334@calomel.org> In-Reply-To: <20110706152506.GA26334@calomel.org> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: Subject: RE: pf ALTQ bandwidth limited to a 32bit value (4294Mb) X-BeenThere: freebsd-pf@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Technical discussion and general questions about packet filter \(pf\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jul 2011 23:09:49 -0000 >=20 > ALTQ using hfsc is limited to a maximum parent bandwidth of 4294Mb. > This value is 2^32 or 4,294,967,296 bits. If you set the bandwidth any hi= gher, > altq will flip back to zero. This "bug" was found when trying to test 10 = gigabit > and 40 gigabit bandwidth models.=20 What a problem to have :-)=20 On a side note out of pure curiousity, what's PF performance like up in the= stratosphere under those sort of loads/packet rates ? :-) Greg