X-Original-To: alpine-devel@lists.alpinelinux.org
Delivered-To: alpine-devel@mail.alpinelinux.org
Received: from mail-yh0-f52.google.com (mail-yh0-f52.google.com [209.85.213.52])
	(using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
	(No client certificate requested)
	by mail.alpinelinux.org (Postfix) with ESMTPS id D697DDC039B
	for <alpine-devel@lists.alpinelinux.org>; Fri,  2 Aug 2013 11:35:56 +0000 (UTC)
Received: by mail-yh0-f52.google.com with SMTP id f11so277097yha.11
        for <alpine-devel@lists.alpinelinux.org>; Fri, 02 Aug 2013 04:35:55 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20120113;
        h=references:mime-version:in-reply-to:content-type
         :content-transfer-encoding:message-id:cc:x-mailer:from:subject:date
         :to;
        bh=CpuuOLeUOWlAPEzOPyOHf8+ANDY5Ooe8M5E1qh3iEmI=;
        b=A1aeVnCaGqhdbfLIx4RBn6hPJT2euwxxNj5lplvzoMtGOp3f67FxMFtXN9zUR8npdm
         5Lkt8op8+SPi/1Zhn7E6f0ufgEpeaPDHa8245UEX4Xwxemlk2OsNv5G4M0tmrbNjJavi
         qIP9RvlszbkMQseFYT8KhEl5WMTysLSLnv/352zhrioa3Zq8pTkyWvvO8CiZ28tnp4xC
         5Oc8/2mqFZLBl+JoGfaP0w0hRofYflvZf5gaKzJTBROgzqOig+EhrMwbKETanIZuAVKV
         bE/E6BHk2eLTanG5xtiNsL0RaCBTgRNpz4cN5KSW07axlYAdDKIpHKi+f+RlwhUlERWE
         I8qA==
X-Received: by 10.236.148.41 with SMTP id u29mr3715697yhj.77.1375443355282;
        Fri, 02 Aug 2013 04:35:55 -0700 (PDT)
Received: from [10.11.102.70] ([186.233.140.106])
        by mx.google.com with ESMTPSA id s65sm11529051yhs.14.2013.08.02.04.35.54
        for <multiple recipients>
        (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128);
        Fri, 02 Aug 2013 04:35:54 -0700 (PDT)
References: <20130801083150.6b41dbab@ncopa-desktop.alpinelinux.org> <CAFaTuVYeB2yTuNzL1LN2F=s8-wh+23Dx=ubVbaS1f2m88Sb3QQ@mail.gmail.com> <20130802085216.5b17ecde@ncopa-desktop.alpinelinux.org>
X-Mailinglist: alpine-devel
Precedence: list
List-Id: Alpine Development <alpine-devel.lists.alpinelinux.org>
List-Unsubscribe: 
	<mailto:alpine-devel+unsubscribe@lists.alpinelinux.org?subject=unsubscribe>
List-Post: <mailto:alpine-devel@lists.alpinelinux.org>
List-Help: <mailto:alpine-devel+help@lists.alpinelinux.org?subject=help>
List-Subscribe: 
	<mailto:alpine-devel+subscribe@lists.alpinelinux.org?subject=subscribe>
Mime-Version: 1.0 (1.0)
In-Reply-To: <20130802085216.5b17ecde@ncopa-desktop.alpinelinux.org>
Content-Type: text/plain;
	charset=us-ascii
Content-Transfer-Encoding: quoted-printable
Message-Id: <51DBC573-E8AA-4498-B9C3-3C522581D83B@gmail.com>
Cc: Alpine Devel List <alpine-devel@lists.alpinelinux.org>
X-Mailer: iPad Mail (10B329)
From: Alan Messias Cordeiro <alancordeiro@gmail.com>
Subject: Re: [alpine-devel] Feature for NETDOWN=no
Date: Fri, 2 Aug 2013 08:35:53 -0300
To: Natanael Copa <ncopa@alpinelinux.org>

Hi,

Option 2 makes more sense now... And I think one of this would be used:

> RC_NO_NETDOWN
Or
> RC_KEEP_NET

:wq!
----
Alan Messias Cordeiro
Enviado pelo meu iPad

On 02/08/2013, at 03:52, Natanael Copa <ncopa@alpinelinux.org> wrote:

> On Thu, 1 Aug 2013 13:32:56 -0300
> Alan Messias <alancordeiro@gmail.com> wrote:
>=20
>> Hi,
>>=20
>> I cant understand how useful it is but, in my opinion, Option 3 (with
>> default as 'all') makes more sense. With Option 3 who doesnt want/know th=
is
>> feature will never worry about it.
>>=20
>> :wq!
>=20
> I didn't know that there was a need for this kind either til yesterday.
> I think its used in some WOL scenarios, but i dont know why it might be
> needed. (ah it just made sense, i suppose the switch keeps the ip/mac
> mapping in its arp table, so you can WOL on IP instead of mac addr...
> or something like that. If you take down the iface you tell the switch
> to clear the ip from its arp table.)
>=20
> I was thinking more of option 2. Also with this option, people who
> don't need this will never know that it exists and people who needs it
> will need to list which devices they want it on (rather than a list of
> devices they dont want this feature for).
>=20
> Option 2 also means that if you use this feature, and additional net
> interface is added, the new interface will by default be taken down,
> even if some other device is configured to stay up on shutdown. With
> option 3, if you add an interface, it will be kept up unless you
> manually add it to RC_NETDOWN)
>=20
> I just feel that RC_PREVENT_NETDOWN, sounds weird :)
>=20
> RC_NO_NETDOWN?
>=20
> RC_KEEP_NET?
>=20
> RC_KEEP_IP?
>=20
> RC_NO_IFDOWN?
>=20
>=20
> -nc
>=20
>> On Thu, Aug 1, 2013 at 3:31 AM, Natanael Copa <ncopa@alpinelinux.org> wro=
te:
>>=20
>>> Hi,
>>>=20
>>> I got a feature request for preventing taking down an interface on
>>> shutdown. I wonder how we should implement this.
>>>=20
>>> Option 1:
>>>=20
>>> set RC_NETDOWN=3Dno in /etc/rc.conf (or /etc/conf.d/networking) will
>>> prevent taking down all the network interface on shutdown. No support
>>> for preventing individual interfaces - its all or nothing.
>>>=20
>>>=20
>>> Option 2:
>>>=20
>>> Use a blacklist (eg RC_PREVENT_NETDOWN) of interfaces to not take
>>> down. For example: RC_PREVENT_NETDOWN=3D"eth0 eth3" will take down eth1
>>> and eth2 but not eth0 and eth3. If set to 'all', all interfaces will
>>> be kept up and if set to 'none' all interfaces will be taken down.
>>> Deafult would be 'none'.
>>>=20
>>> Alternative variable names are: RC_NET_KEEP_UP
>>>=20
>>>=20
>>> Option 3:
>>>=20
>>> Use a whitelist of interfaces to take down on shutdown. For example
>>> RC_NETDOWN=3D"eth1 eth2" will keep eth0 and eth3 up on shutdown. If set
>>> to 'all' then all interfaces will be taken down and if set to 'none',
>>> all interfaces will be kept up on shutdown. Default would be 'all'.
>>>=20
>>>=20
>>> What do you prefer? They are all very simple to implement.
>>>=20
>>> What are good variable names?
>>>=20
>>> -nc
>>>=20
>>>=20
>>> ---
>>> Unsubscribe:  alpine-devel+unsubscribe@lists.alpinelinux.org
>>> Help:         alpine-devel+help@lists.alpinelinux.org
>>> ---
>>>=20
>>>=20
>>=20
>>=20
>=20


---
Unsubscribe:  alpine-devel+unsubscribe@lists.alpinelinux.org
Help:         alpine-devel+help@lists.alpinelinux.org
---