From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi1-x22a.google.com (mail-oi1-x22a.google.com [IPv6:2607:f8b0:4864:20::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id C44523B29D for ; Tue, 27 Feb 2024 21:04:34 -0500 (EST) Received: by mail-oi1-x22a.google.com with SMTP id 5614622812f47-3c1a7d51fb5so1418940b6e.1 for ; Tue, 27 Feb 2024 18:04:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1709085874; x=1709690674; darn=lists.bufferbloat.net; h=message-id:in-reply-to:to:references:date:subject:mime-version:from :from:to:cc:subject:date:message-id:reply-to; bh=Eojv2ETf0lnOzMCjY3WgkeKumyrMkMcNIhds0yk0NIM=; b=cD1ORVMCPgknl86mLrTc7PDEZL7O/5csfrEAK6JLLONpj0TSRAPP48SZrLyhHI+AKf Xc+frZ2Vzos6VsBtqbO8SqQ6DqmC8nEe7R4MQLSLZwtz+IbWCHuRykQs0ag9C8vpvb92 S24y0fP+AMZNzX9m7vpUgbRyyyqqa4XrIPmcnkkxi+lrFgajwfb/+FflgvSog1DzYh6j MAuTv7F5QuGTR0+W+j94okL/DhgziM92zVzDOznKAS857pVsSDxJ+PrJO+FeQeZVDfLA 3pFz7uJXZMHGV0kKspujpqKK3JK4EogUWTiGdyJ5/EDDnZ4pLg7zsLfqhiPA3HGa4K50 8EwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709085874; x=1709690674; h=message-id:in-reply-to:to:references:date:subject:mime-version:from :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Eojv2ETf0lnOzMCjY3WgkeKumyrMkMcNIhds0yk0NIM=; b=ERED0IRIxAWmRokX/16El693//T7KdErykQaXLdgG+1/vAJhktrceoQYSqkXArz/oX XJnMIUtLmf0yd2gcMgwq6KG8vMyZ941n6u+Ph1RJ9UBjOKTu3gUdn2duhXEdnc8GMQld K8GNIfWoc1v0iST2TvJsZnQgEquDqrpSs+CAiejjAf52CBRZbUWu4ag1iEnNy9UFlTnm 8sxBpKXmHERB/VMR7/eGQcHEOJFnInAFzJjaOzTPXaSZZ21r9VcAqntN5FhyOsd8CO9K kc5MWr3OnAOBMHZBwcPQOkYZjrAhsvTROQ6XaGB/ojQ7xMC70ZCJDLYOkLJ6aGzZCAwa F3VQ== X-Gm-Message-State: AOJu0YyMu9Sy/r5t+Rvw/OL/GiXhIje0txBVgUvPzoELq5H0KHEiKt2s iaNmRwzfpm5ThIEZDwIBdvvitWwj9z1g7O/+OA01KYIbXVQfnFlcv82GYCrd X-Google-Smtp-Source: AGHT+IGq38tfLDuaYk2LJZ8dJnlHcnUFiUjx6/MACrEfaey5qMD5LH6wppanIF9oPJ83aSx9st+3yg== X-Received: by 2002:a05:6358:726:b0:17b:c720:4dcf with SMTP id e38-20020a056358072600b0017bc7204dcfmr2387280rwj.9.1709085873568; Tue, 27 Feb 2024 18:04:33 -0800 (PST) Received: from smtpclient.apple ([198.55.239.40]) by smtp.gmail.com with ESMTPSA id kr3-20020a0562142b8300b0068fd10638c0sm4723809qvb.20.2024.02.27.18.04.33 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Feb 2024 18:04:33 -0800 (PST) From: Rich Brown Content-Type: multipart/alternative; boundary="Apple-Mail=_DA922A7F-C3B0-495C-ACF1-6D74BB03911E" Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.120.41.1.4\)) Date: Tue, 27 Feb 2024 21:04:32 -0500 References: To: bloat@lists.bufferbloat.net In-Reply-To: Message-Id: <30F7E4EF-906B-41CD-9EDE-179106E8BFCF@gmail.com> X-Mailer: Apple Mail (2.3696.120.41.1.4) 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 02:04:34 -0000 --Apple-Mail=_DA922A7F-C3B0-495C-ACF1-6D74BB03911E Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii > Avoid the WAN port's DHCP assigned subnet (what if the ISP uses=20 > 192.168.1.0/24?) >=20 > ... >=20 > Exactly! There are no rules about what subnet range an ISP's gear will = assign to DHCP devices. @Mark Andrews and @Kenneth Porter... I apologize for any confusion = caused by my slightly ambiguous language. In both cases, I was referring = to the DHCP address/subnet assigned to the OpenWrt router's WAN port, by = the ISP's gear. This will be an RFC1918 address by default. But my point is that the OpenWrt router has no way to predict what = address/subnet will be assigned to its WAN port. Consequently, at = boot-time, OpenWrt should simply choose some different subnet for its = LAN subnet(s), and then advertise an mDNS name. Does this make sense? Thanks. Rich= --Apple-Mail=_DA922A7F-C3B0-495C-ACF1-6D74BB03911E Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
Avoid the WAN port's DHCP assigned subnet (what if the = ISP uses 
192.168.1.0/24?)

...

Exactly! There are no rules about what = subnet range an ISP's gear will assign to DHCP = devices.

@Mark Andrews and @Kenneth Porter... I apologize = for any confusion caused by my slightly ambiguous language. In both = cases, I was referring to the DHCP address/subnet assigned to the = OpenWrt router's WAN port, by the ISP's gear. This will be an RFC1918 = address by default.

But my point is = that the OpenWrt router has no way to predict what address/subnet will = be assigned to its WAN port. Consequently, at boot-time, OpenWrt should = simply choose some different subnet for its LAN subnet(s), and then = advertise an mDNS name.

Does this = make sense? Thanks.

Rich
= --Apple-Mail=_DA922A7F-C3B0-495C-ACF1-6D74BB03911E--