On 2010-11-23, Toni Mueller <openbsd-misc@oeko.net> wrote:
quoted text
> Hi,
>
> On Tue, 23.11.2010 at 11:07:40 -0500, Ted Unangst <ted.unangst@gmail.com> wrote:
>> On Tue, Nov 23, 2010 at 10:02 AM, Otto Moerbeek <otto@drijf.net> wrote:
>> > On Tue, Nov 23, 2010 at 03:16:57PM +0100, Toni Mueller wrote:
>> >> # ifconfig em3
>> >> em3:
>> >> flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST> mtu 1500
>> >> B  B  B  B  lladdr 00:30:48:94:0b:21
>> >> B  B  B  B  priority: 0
>> >> B  B  B  B  media: Ethernet autoselect (1000baseT full-duplex,master)
>> >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> >> B  B  B  B  status: active
>> 
>> > I would rather investigate why the PROMISC and ALLMULTI flags are set
>> > on this interface.
>> 
>> trunked?
>
> thanks for your input. No, the interface is configured in a very
> straightforward way without any bells and whistles. It has a four IPv4
> addresses, plus one auto-generated IPv6 address (link layer local).
> I don't use briding and didn't enable multicast in /etc/sysctl.conf,
> either.

carp will do this too (and it seems it doesn't clear the
PROMISC,ALLMULTI even when the carp interface is destroyed).