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Re: [v6ops] When Android might disconnect because lack of DHCPv6 (was: Implementation Status of PREF64)

Philip Homburg <pch-v6ops-10@u-1.phicoh.com> Tue, 12 October 2021 17:05 UTC

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CC: Owen DeLong <owen=40delong.com@dmarc.ietf.org>
From: Philip Homburg <pch-v6ops-10@u-1.phicoh.com>
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In-reply-to: Your message of "Tue, 12 Oct 2021 10:00:19 -0700 ." <A930BCD4-6EB0-4DE5-AF75-D2ADE347A102@delong.com>
Date: Tue, 12 Oct 2021 19:05:24 +0200
Archived-At: <https://mailarchive.ietf.org/arch/msg/v6ops/tc5i9zchFQQWyKCMl5KrIVceStY>
Subject: Re: [v6ops] When Android might disconnect because lack of DHCPv6 (was: Implementation Status of PREF64)
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> The data necessary for SLAAC is in the RA that includes the M bit
> to tell the host to go ask the DHCPv6 server for an address, so
> how would your CPE prevent the android from doing SLAAC without
> authorization?

I didn't verify it. But I assume clearing that 'A' bit in the PIO should
prevent android from doing SLAAC. It is not as if rogue android devices
are creating address from every prefix they see.

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