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Re: [v6ops] A proposal for draft-ietf-6man-rfc4291bis-07 - interpretations of the "sum"

Sander Steffann <sander@steffann.nl> Tue, 07 March 2017 17:12 UTC

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Subject: Re: [v6ops] A proposal for draft-ietf-6man-rfc4291bis-07 - interpretations of the "sum"
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From: Sander Steffann <sander@steffann.nl>
In-Reply-To: <e250c3a9-083f-01ea-8361-b42f8d20d730@si6networks.com>
Date: Tue, 07 Mar 2017 18:12:17 +0100
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To: Fernando Gont <fgont@si6networks.com>
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Cc: Alexandre Petrescu <alexandre.petrescu@gmail.com>, ipv6@ietf.org
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Hi,

> That aside, when you learn link-locals via some APIs in BSDs, you'll
> find that some of such bits are non-zero -- that's because they leverage
> the requirement for them to be zero, and use such bits to store e.g. the
> interface index. (it was one of my WTH moments when coding tools :-) ).

Yeah, that was surprising for me too :)

Cheers,
Sander

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