From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx.pao1.isc.org (mx.pao1.isc.org [149.20.2.50]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id AE96A3B29D for ; Tue, 27 Feb 2024 20:09:48 -0500 (EST) Received: from zimbrang.isc.org (zimbrang.isc.org [149.20.2.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx.pao1.isc.org (Postfix) with ESMTPS id C09ED3AB11C; Wed, 28 Feb 2024 01:09:47 +0000 (UTC) ARC-Filter: OpenARC Filter v1.0.0 mx.pao1.isc.org C09ED3AB11C Authentication-Results: mx.pao1.isc.org; arc=none smtp.remote-ip=149.20.2.31 ARC-Seal: i=1; a=rsa-sha256; d=isc.org; s=ostpay; t=1709082587; cv=none; b=UGRtMWfv8nos12amzLoI+bCTut0IYTkPnqKT6oMnSKCC5Y2qCpg5SLazBc5a84iI56JmSgf7ydiL9rGQDXrgcbxuR0IRfGWLSW5KS+d8X7js1Zlg+S8jew3ZE2IuvlAsn6Vos4NJknM6XcpFPdV3c3sPOKsXaW2qA+IOJbAFL8A= ARC-Message-Signature: i=1; a=rsa-sha256; d=isc.org; s=ostpay; t=1709082587; c=relaxed/relaxed; bh=40Urn3yFFIOLH9ox8dtBFBt6o15VjlejbIIFkJRGC+g=; h=DKIM-Signature:DKIM-Signature:Mime-Version:Subject:From:Date: Message-Id:To; b=p1WLg1gkYO/YwRIoMIUM/BDttKUWKFOj+qO22hPX3Qp1SaXLwIlO/S6l9vuxoGOYOiw+loQ6IwUwo9n8c/pl0pxIvkgEAQxJq93VEOZO8J78VEkkoRl4HTfStREnGtifnDYq6J3uJKXZQ9e4QIlPTcdEh8mhzkoDvXUxLCFmoHs= ARC-Authentication-Results: i=1; mx.pao1.isc.org DKIM-Filter: OpenDKIM Filter v2.10.3 mx.pao1.isc.org C09ED3AB11C DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=isc.org; s=ostpay; t=1709082587; bh=0gX4M2rsezfbYKl63xGE2KRWbQX98yT/4xY4Tn/V4EA=; h=Subject:From:In-Reply-To:Date:Cc:References:To; b=RL7+1gEMjS67og2D1j2uoRbVzJoWmongLXuDJEjhncanlUOWYoG88jZteAfIm9ctG eNs6Db3gz0ZLNc3DezTg11CzdEWmBCXgRfxoijLXKAhK2N9kPPQsKsK4GWfRlD8Gf0 PuM6kLxir50NC4GVSl6maLpu8Vxgm7AUY3+dPq/0= Received: from zimbrang.isc.org (localhost.localdomain [127.0.0.1]) by zimbrang.isc.org (Postfix) with ESMTPS id B96AA114B72A; Wed, 28 Feb 2024 01:09:47 +0000 (UTC) Received: from localhost (localhost.localdomain [127.0.0.1]) by zimbrang.isc.org (Postfix) with ESMTP id 6BD8B114B734; Wed, 28 Feb 2024 01:09:47 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.10.3 zimbrang.isc.org 6BD8B114B734 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isc.org; s=05DFB016-56A2-11EB-AEC0-15368D323330; t=1709082587; bh=40Urn3yFFIOLH9ox8dtBFBt6o15VjlejbIIFkJRGC+g=; h=Mime-Version:From:Date:Message-Id:To; b=gdVywojPhNmsH+xXGkrs1kjJ4vRQnDdDzRwUqEkt+CM0Y6+c1zi9viR9f/rhKRyzl mH+hS+Eg8VHDUlkLeYINZ/MZRXY8/k13ftsm2LIpcgY91qpmsOZYYwu+KHYysOIKsP kXjqCmNcuJkbq0zzQwR6PnQvBQZaGu30cN8tidxM= Received: from zimbrang.isc.org ([127.0.0.1]) by localhost (zimbrang.isc.org [127.0.0.1]) (amavis, port 10026) with ESMTP id uLuq4XzSrM4O; Wed, 28 Feb 2024 01:09:47 +0000 (UTC) Received: from smtpclient.apple (n49-187-27-239.bla1.nsw.optusnet.com.au [49.187.27.239]) by zimbrang.isc.org (Postfix) with ESMTPSA id CB055114B72A; Wed, 28 Feb 2024 01:09:46 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.700.6.1.1\)) From: Mark Andrews In-Reply-To: <1142E628-CF2B-4EDC-B4FD-46832B6D5840@gmail.com> Date: Wed, 28 Feb 2024 12:09:34 +1100 Cc: bloat Content-Transfer-Encoding: quoted-printable Message-Id: <8C91CA4E-F349-477D-A9E0-0804F5A6796A@isc.org> References: <1142E628-CF2B-4EDC-B4FD-46832B6D5840@gmail.com> To: Rich Brown X-Mailer: Apple Mail (2.3731.700.6.1.1) Subject: Re: [Bloat] mDNS X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Feb 2024 01:09:48 -0000 > On 28 Feb 2024, at 05:52, Rich Brown via Bloat = wrote: >=20 >=20 >=20 >> On Feb 27, 2024, at 12:00 PM, bloat-request@lists.bufferbloat.net = wrote: >>=20 >> On 2/26/2024 6:28 AM, Rich Brown via Bloat wrote: >>> - Avoid the WAN port's DHCP assigned subnet (what if the ISP uses=20 >>> 192.168.1.0/24?) >>=20 >> I recently got ATT fiber and its modem won't let me assign from=20 >> 10.0.0.0/8! So I put a Raspberry Pi 4 in front of it. >=20 > Exactly! There are no rules about what subnet range an ISP's gear will = assign to DHCP devices. Actually there are rules. Go read RFC 1918 and you will see it = specifically excludes this use. RFC 1918 addresses are for intra = enterprise devices. CPE devices, by function, are not intra enterprise. = CPE devices are shared devices used by both the ISP and the customer = regardless of who owns the hardware. 100.64/10 is an example of a shared space for numbering CPE devices. It = was allocated specifically because RFC 1918 addresses are inappropriate = for numbering CPE devices by ISPs. Mark > So (I believe) it becomes incumbent on OpenWrt to be smarter than the = ISP's router (shouldn't be hard) and pick a separate subnet for its LAN = & wireless interface. (Clearly, OpenWrt could default to 192.168.1.0/24, = but if that's that range the ISP is using, it could switch to = 192.168.2.0/24. I think that's all the flexibility that's required...) >=20 > And then advertise a mDNS name to make it easy for humans to connect. = Who would notice? >=20 > - Newcomers wouldn't - they'd just connect and configure as described = in the Wiki > - Grizzled OpenWrt old-timers wouldn't notice either, because they = will have set their ISP device to use some other address range. >=20 > Any reason not to build this into OpenWrt? Thanks. >=20 > Rich > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat --=20 Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: marka@isc.org