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Date:      Fri, 24 Aug 2018 09:56:39 +0200
From:      "Patrick M. Hausen" <hausen@punkt.de>
To:        Josh Paetzel <josh@tcbug.org>
Cc:        "freebsd-emulation@freebsd.org" <freebsd-emulation@freebsd.org>
Subject:   Re: VirtualBox and bridging lagg interface problem
Message-ID:  <A094851F-7618-4F5E-94E7-14C191471F3D@punkt.de>
In-Reply-To: <E1EA8FC3-6B1A-4337-A4E5-BDA02E86FA07@punkt.de>
References:  <CA%2ByoEx9g21dxYm-O7wBh51R0Mr-GzWKe=tu%2B1FmryscjBYzueg@mail.gmail.com> <F642DC5F-0739-46EF-9965-9832396CB1BD@tcbug.org> <E1EA8FC3-6B1A-4337-A4E5-BDA02E86FA07@punkt.de>

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Answering my own question ...

> Am 24.08.2018 um 09:02 schrieb Patrick M. Hausen <hausen@punkt.de>:
>> Am 24.08.2018 um 02:22 schrieb Josh Paetzel <josh@tcbug.org>:
>> Association to an AP is done via MAC address. There=E2=80=99s no way =
to alias IPs or bridge on a WiFi network.
>> What you are seeing is normal and expected. Can=E2=80=99t bridge VMs =
to WiFi.
>=20
> Then how does VMware Fusion on my Mac do exactly this?
>=20
> Interface of my Mac:
>=20
> en0: flags=3D8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu =
1500
> 	ether c8:e0:eb:16:81:df=20
> 	inet6 fe80::46:11f:64b8:dac1%en0 prefixlen 64 secured scopeid =
0x4=20
> 	inet 217.29.44.49 netmask 0xffffff00 broadcast 217.29.44.255
> 	inet6 2a00:b580:a000::c32:58ac:7d3:aef4 prefixlen 64 autoconf =
secured=20
> 	inet6 2a00:b580:a000::a94d:d5a4:1230:8aac prefixlen 64 autoconf =
temporary=20
> 	nd6 options=3D201<PERFORMNUD,DAD>
> 	media: autoselect
> 	status: active
>=20
> Interface of my VM:
>=20
> vmx0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 =
mtu 1500
> 	=
options=3D60039b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,TS=
O6,RXCSUM_IPV6,TXCSUM_IPV6>
> 	ether 00:0c:29:00:85:b8
> 	hwaddr 00:0c:29:00:85:b8
> 	inet 217.29.44.164 netmask 0xffffff00 broadcast 217.29.44.255=20
> 	nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> 	media: Ethernet autoselect
> 	status: active

It does proxy ARP:

$  ping 217.29.44.164
PING 217.29.44.164 (217.29.44.164): 56 data bytes
64 bytes from 217.29.44.164: icmp_seq=3D0 ttl=3D64 time=3D2.640 ms
^C
--- 217.29.44.164 ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/stddev =3D 2.640/2.640/2.640/0.000 ms
$ arp -a |grep !$
arp -a |grep 217.29.44.164
? (217.29.44.164) at c8:e0:eb:16:81:df on bge0 expires in 1143 seconds =
[ethernet]

Interesting. Didn't know that.

Patrick
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