From ayourtch@gmail.com  Fri May 24 03:30:15 2013
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Subject: [sunset4] New draft: draft-yourtchenko-ipv6-disable-ipv4-proxyarp-00
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Hi all,

we've posted a new draft:

http://tools.ietf.org/html/draft-yourtchenko-ipv6-disable-ipv4-proxyarp-00

This could be an intermediate step before draft-perreault-sunset4-noipv4 is
widely implemented, which is simple enough to implement and does not
require coordination between the multiple parties on the network.

would be interesting to hear your feedback.

--a

--20cf301ee723a7b7c604dd74485d
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<div dir=3D"ltr"><div style>Hi all,</div><div style><br></div><div style>we=
&#39;ve posted a new draft:</div><div><br></div><a href=3D"http://tools.iet=
f.org/html/draft-yourtchenko-ipv6-disable-ipv4-proxyarp-00">http://tools.ie=
tf.org/html/draft-yourtchenko-ipv6-disable-ipv4-proxyarp-00</a><br>
<div><br></div><div>This could be an intermediate step before draft-perreau=
lt-sunset4-noipv4 is widely implemented, which is simple enough to implemen=
t and does not require coordination between the multiple parties on the net=
work.</div>
<div><br></div><div style>would be interesting to hear your feedback.</div>=
<div style><br></div><div style>--a</div></div>

--20cf301ee723a7b7c604dd74485d--

From simon.perreault@viagenie.ca  Fri May 24 04:24:36 2013
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Date: Fri, 24 May 2013 13:24:48 +0200
From: Simon Perreault <simon.perreault@viagenie.ca>
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Subject: Re: [sunset4] New draft: draft-yourtchenko-ipv6-disable-ipv4-proxyarp-00
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Le 2013-05-24 12:30, Andrew Yourtchenko a écrit :
> we've posted a new draft:
>
> http://tools.ietf.org/html/draft-yourtchenko-ipv6-disable-ipv4-proxyarp-00
>
> This could be an intermediate step before draft-perreault-sunset4-noipv4
> is widely implemented, which is simple enough to implement and does not
> require coordination between the multiple parties on the network.

Interesting...

Do you know what real-world OSes implement the "ARP for everything" 
behaviour by default?

Thanks,
Simon

From tillmann@selfnet.de  Fri May 24 04:57:06 2013
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On 2013-05-24 13:24, Simon Perreault wrote:
> Interesting...
> 
> Do you know what real-world OSes implement the "ARP for everything"
> behaviour by default?
> 
> Thanks,
> Simon

RFC 3927 Introduction: "Microsoft Windows 98 (and later) and Mac OS 8.5 
(and later) already support this capability."

According to [0], it is enabled by default at least on Windows 98 
through Server 2003 and I have seen these addresses on our network 
(apparently, not everyone considers them to be non-routable...)

Regards,
Tillmann


[0] http://support.microsoft.com/kb/220874

PS: Sorry Simon, I forgot to use reply-to-all.

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--bcaec53f38c9819ad404dd7d7882
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On Fri, May 24, 2013 at 3:56 PM, Tillmann Karras <tillmann@selfnet.de>wrote:

> On 2013-05-24 13:24, Simon Perreault wrote:
>
>> Interesting...
>>
>> Do you know what real-world OSes implement the "ARP for everything"
>> behaviour by default?
>>
>> Thanks,
>> Simon
>>
>
> RFC 3927 Introduction: "Microsoft Windows 98 (and later) and Mac OS 8.5
> (and later) already support this capability."
>
> According to [0], it is enabled by default at least on Windows 98 through
> Server 2003 and I have seen these addresses on our network (apparently, not
> everyone considers them to be non-routable...)
>
>

Originally I had noticed this behaviour on the iPhone/iPad on the networks
I dealt with. I can also confirm MacOS X Lion for sure, but can not say
much about Win* - but given the original RFC authorship, highly likely.

Would be very interesting to know about Android/Linux behavior - I did not
do much tests with it; though I had a feeling that Linux did not do "ARP
for everything" - take the latter with about 30% worthiness, I did not
spend any time to doublecheck before typing this, it can be
incorrect/outdated.

--a


> Regards,
> Tillmann
>
>
> [0] http://support.microsoft.com/**kb/220874<http://support.microsoft.com/kb/220874>
>
> PS: Sorry Simon, I forgot to use reply-to-all.
>
> ______________________________**_________________
> sunset4 mailing list
> sunset4@ietf.org
> https://www.ietf.org/mailman/**listinfo/sunset4<https://www.ietf.org/mailman/listinfo/sunset4>
>

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<div dir=3D"ltr"><br><div class=3D"gmail_extra"><br><br><div class=3D"gmail=
_quote">On Fri, May 24, 2013 at 3:56 PM, Tillmann Karras <span dir=3D"ltr">=
&lt;<a href=3D"mailto:tillmann@selfnet.de" target=3D"_blank">tillmann@selfn=
et.de</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div class=3D"im">On 2013-05-24 13:24, Simon=
 Perreault wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
Interesting...<br>
<br>
Do you know what real-world OSes implement the &quot;ARP for everything&quo=
t;<br>
behaviour by default?<br>
<br>
Thanks,<br>
Simon<br>
</blockquote>
<br></div>
RFC 3927 Introduction: &quot;Microsoft Windows 98 (and later) and Mac OS 8.=
5 (and later) already support this capability.&quot;<br>
<br>
According to [0], it is enabled by default at least on Windows 98 through S=
erver 2003 and I have seen these addresses on our network (apparently, not =
everyone considers them to be non-routable...)<br>
<br></blockquote><div><br></div><div><br></div><div style>Originally I had =
noticed this behaviour on the iPhone/iPad on the networks I dealt with. I c=
an also confirm MacOS X Lion for sure, but can not say much about Win* - bu=
t given the original RFC authorship, highly likely.</div>
<div style><br></div><div style>Would be very interesting to know about And=
roid/Linux behavior - I did not do much tests with it; though I had a feeli=
ng that Linux did not do &quot;ARP for everything&quot; - take the latter w=
ith about 30% worthiness, I did not spend any time to doublecheck before ty=
ping this, it can be incorrect/outdated.</div>
<div style><br></div><div style>--a</div><div style>=A0<br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex">
Regards,<br>
Tillmann<br>
<br>
<br>
[0] <a href=3D"http://support.microsoft.com/kb/220874" target=3D"_blank">ht=
tp://support.microsoft.com/<u></u>kb/220874</a><br>
<br>
PS: Sorry Simon, I forgot to use reply-to-all.<div class=3D"HOEnZb"><div cl=
ass=3D"h5"><br>
______________________________<u></u>_________________<br>
sunset4 mailing list<br>
<a href=3D"mailto:sunset4@ietf.org" target=3D"_blank">sunset4@ietf.org</a><=
br>
<a href=3D"https://www.ietf.org/mailman/listinfo/sunset4" target=3D"_blank"=
>https://www.ietf.org/mailman/<u></u>listinfo/sunset4</a><br>
</div></div></blockquote></div><br></div></div>

--bcaec53f38c9819ad404dd7d7882--

From simon.perreault@viagenie.ca  Mon May 27 01:51:49 2013
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Subject: Re: [sunset4] New draft: draft-yourtchenko-ipv6-disable-ipv4-proxyarp-00
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Le 2013-05-24 23:27, Andrew Yourtchenko a écrit :
> Would be very interesting to know about Android/Linux behavior - I did
> not do much tests with it; though I had a feeling that Linux did not do
> "ARP for everything" - take the latter with about 30% worthiness, I did
> not spend any time to doublecheck before typing this, it can be
> incorrect/outdated.

It's a per-distro thing. The distro I use most often (Fedora) does not 
use 169.254/16 addresses by default. I don't know about Android.

This problem will be added to the gap analysis draft.

Simon