Re: Objection to draft-ietf-6man-rfc4291bis-07.txt - /63 and /65 RAs on linux

Alexandre Petrescu <alexandre.petrescu@gmail.com> Wed, 01 March 2017 19:38 UTC

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Subject: Re: Objection to draft-ietf-6man-rfc4291bis-07.txt - /63 and /65 RAs on linux
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From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Date: Wed, 01 Mar 2017 20:30:24 +0100
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Let me add one more point here I just tried:

Le 28/02/2017 à 13:04, Alexandre Petrescu a écrit :
[...]
> Finally, there is no advice of what bits to put between fe80:: and a
> 64bit the Interface ID - zeros or ones?  linux says it's a fe80::/64
> and IIRC BSD says it's a fe80::/10.  The routing entries based on
> that can make for interop problems.

For information, today on linux a /65 RA is called "illegal" and a /63
RA makes a Host to _not_ configure an address.  What linux wants is a 64
and nothing else.  This is not normal, and it's not programmer's fault.

Alex