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Date:      Wed, 10 Nov 2021 13:13:48 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 253328] add IPv6 6rd supported in if_stf
Message-ID:  <bug-253328-7501-NPCZLzfbgd@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-253328-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-253328-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253328

Kristof Provost <kp@freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |kp@freebsd.org

--- Comment #2 from Kristof Provost <kp@freebsd.org> ---
(In reply to depeo from comment #1)
I'm not sure I understand your remark. The pfsense patch appears to assume =
the
IPv6 6RD prefix is always 32 bits long, but it does support using fewer tha=
n 32
bits of the IPv4 address.

This should only matter if the ISP uses a 6RD prefix that's not 32 bits lon=
g,
but it shouldn't affect how you subnet your 6rd delegated prefix (i.e. the =
ISPs
6RD prefix + x bits from your IPv4 WAN address).

I'm working on cleaning up the patch to get it committed, and will see if I=
 can
fix the 6RD prefix length assumption as well. It needs a lot of other clean=
up
anyway.

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