[Bug 233683] IPv6 ND neighbor solicitation messages fail to arrive

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From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 28 Feb 2022 10:23:48 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233683

--- Comment #10 from Kristof Provost <kp@freebsd.org> ---
(In reply to Bjoern A. Zeeb from comment #7)
> That all said, bridges used to be special wen it came to IPv6;  I don't know if this was changed in more recent times.  kp@ might know.

They're not really, but IPv6 depends heavily on multicast working, and that
sometimes catches people out with if_bridge. If addresses are assigned to
bridge members multicast will not work correctly for those addresses. IP(v6)
addresses must always be assigned to the bridge itself and not to member
interfaces.

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