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Date:      Fri, 8 Jan 2016 22:10:48 -0700
From:      John Nielsen <lists@jnielsen.net>
To:        FreeBSD stable <freebsd-stable@freebsd.org>
Subject:   Re: lagg(4) + VLAN + if_bridge(4) vs. ARP
Message-ID:  <F4AF1415-5C36-4C68-9E66-4BD70832B102@jnielsen.net>
In-Reply-To: <A318528D-34D4-459B-B474-5879251C0EA0@jnielsen.net>
References:  <A318528D-34D4-459B-B474-5879251C0EA0@jnielsen.net>

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> On Jan 8, 2016, at 2:52 PM, John Nielsen <lists@jnielsen.net> wrote:
>=20
> I'm trying to troubleshoot a problem on a machine running recent =
10-STABLE. ... So in other words, plugging the external port into the =
switch, creating a new "external" VLAN, adding both em0 and re0 into a =
new LAGG and creating VLAN child interfaces off of that.
>=20
> ...
>=20
> So in the LAGG setup, why aren't the ARP replies going across bridge2 =
to the VM?

For the archives: this turned out to be operator error in the form of a =
MAC address conflict between the lagg0 interface on the host and the =
vtnet1 interface in the VM.

JN




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