Re: [v6ops] Windows 10 doesn't honour 'M' flag in RA
Enno Rey <erey@ernw.de> Tue, 12 December 2017 07:45 UTC
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Date: Tue, 12 Dec 2017 08:45:38 +0100
From: Enno Rey <erey@ernw.de>
To: Naveen Kottapalli <naveen.sarma@gmail.com>
Cc: Erik Kline <ek@google.com>, v6ops list <v6ops@ietf.org>, 6man WG <ipv6@ietf.org>
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Subject: Re: [v6ops] Windows 10 doesn't honour 'M' flag in RA
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Hi, On Tue, Dec 12, 2017 at 01:10:12PM +0530, Naveen Kottapalli wrote: > I mean that though the 'M' bit is set to 0, client initiated DHCPv6 Solicit. that's a deliberate decision from Microsoft: their recent OSs all send out DHCPv6 Solicits at a very early stage of (IPv6) stack initialization (even before sending the router solicitation => at that point there's not even an RA to process/to inspect the flags of). See also https://insinuator.net/2017/01/ipv6-properties-of-windows-server-2016-windows-10/ best Enno > > Yours, > Naveen. > > On 12 December 2017 at 12:55, Erik Kline <ek@google.com> wrote: > > > What does it really mean, to "honour the 'M' flag"? Those bits are > > advisory /at best/. > > > > On 12 December 2017 at 16:20, Naveen Kottapalli <naveen.sarma@gmail.com> > > wrote: > > > Hello, > > > > > > In our recent testing, we observed that Windows 10 doesn't honour 'M' > > flag > > > in RA. It's not just Windows 10, same behaviour is observed with latest > > Mac > > > OS as well. Is there any specification reference to support this? > > > > > > Your valuable input is highly appreciated. > > > > > > Yours, > > > Naveen. > > > > > > -------------------------------------------------------------------- > > > IETF IPv6 working group mailing list > > > ipv6@ietf.org > > > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > > > -------------------------------------------------------------------- > > > > > > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > ipv6@ietf.org > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- -- Enno Rey ERNW GmbH - Carl-Bosch-Str. 4 - 69115 Heidelberg - www.ernw.de Tel. +49 6221 480390 - Fax 6221 419008 - Cell +49 173 6745902 Handelsregister Mannheim: HRB 337135 Geschaeftsfuehrer: Matthias Luft, Enno Rey ======================================================= Blog: www.insinuator.net || Conference: www.troopers.de Twitter: @Enno_Insinuator =======================================================
- [v6ops] Windows 10 doesn't honour 'M' flag in RA Naveen Kottapalli
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Erik Kline
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Naveen Kottapalli
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Enno Rey
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Mikael Abrahamsson
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Brian E Carpenter
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Templin, Fred L
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Naveen Kottapalli
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Mikael Abrahamsson
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Naveen Kottapalli
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Tim Chown
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Templin, Fred L
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Ted Lemon
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Bob Hinden
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Naveen Kottapalli
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Brian E Carpenter
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Michael Richardson
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Simon Hobson
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Templin, Fred L
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… james woodyatt
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Brian E Carpenter
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… David Farmer
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Bob Hinden
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… STARK, BARBARA H
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Enno Rey
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… JINMEI Tatuya / 神明達哉
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Naveen Kottapalli
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Michael Richardson
- Re: [v6ops] Windows 10 doesn't honour 'M' flag in… Nick Hilliard