From owner-freebsd-net@FreeBSD.ORG Fri Nov 14 21:18:53 2003 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9C7B616A4CE for ; Fri, 14 Nov 2003 21:18:53 -0800 (PST) Received: from overlord.e-gerbil.net (e-gerbil.net [69.31.1.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id AB5FB43FBF for ; Fri, 14 Nov 2003 21:18:52 -0800 (PST) (envelope-from ras@overlord.e-gerbil.net) Received: from overlord.e-gerbil.net (ras@localhost.e-gerbil.net [127.0.0.1]) by overlord.e-gerbil.net (8.12.9/8.12.9) with ESMTP id hAF5Imjg081492; Sat, 15 Nov 2003 00:18:48 -0500 (EST) (envelope-from ras@overlord.e-gerbil.net) Received: (from ras@localhost) by overlord.e-gerbil.net (8.12.9/8.12.9/Submit) id hAF5IlVg081491; Sat, 15 Nov 2003 00:18:47 -0500 (EST) (envelope-from ras) Date: Sat, 15 Nov 2003 00:18:47 -0500 From: Richard A Steenbergen To: John Polstra Message-ID: <20031115051847.GC82121@overlord.e-gerbil.net> References: <1068806299.210616.7785.nullmailer@cicuta.babolo.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.1i cc: "."@babolo.ru cc: freebsd-net@freebsd.org Subject: Re: what about 5000 .. 10000 VLANs in one system? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 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, 15 Nov 2003 05:18:53 -0000 On Fri, Nov 14, 2003 at 10:49:04AM -0800, John Polstra wrote: > On 14-Nov-2003 "."@babolo.ru wrote: > > > > I remember that VLAN tag has 12 bits :-) > > > > I need in system with 5000 .. 10000 VLAN > > interfaces on 2 .. 6 physical ethernets. > > Er, so what is your strategy for packing 5000-10000 different values > into a 12-bit field? 2-3 interfaces. :) or There are quite a few "double vlan" implementations out there if you're really that desperate, though I don't think there is a standard so that they all interoperate. This is mainly used to provision metro ethernet services where you provide a vlan per customer and they want to be able to use their own vlans without consulting you for numbering. -- Richard A Steenbergen http://www.e-gerbil.net/ras GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)