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Date:      Sat, 03 Jun 2017 18:39:57 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-net@FreeBSD.org
Subject:   [Bug 219699] Issue with IPv6 and neighbor notification
Message-ID:  <bug-219699-2472-zYNUabZUEr@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-219699-2472@https.bugs.freebsd.org/bugzilla/>
References:  <bug-219699-2472@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219699

--- Comment #7 from Paul G Webster <paul@tmp.group> ---
A little more on this fault; with the help of the host we have a working
solution, from the host them self:

--quote
FreeBSD appears to use the link local address on the interface to send neig=
hbor
advertisements for the addresses it would like to be routed towards it,
unfortunately our side only allows you to send neighbor advertisements from=
 an
allowed allocated prefix not an fe80:: address.

I have added an exception for this, could you try stopping your work around=
 for
now and seeing if IPv6 carries on working?
--/quote

To cut a story short and many tickets later yes in fact the work around did
work, the host is using 'ebtables' on there host; they have contacted the p=
anel
provider hoping they can patch the upstream.

Will update if I can get a little more detail on what the patch was or a co=
py
of it hopefully :)

--=20
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