Why wireless interface cannot be attached to a Linux host bridge?

brent s. bts at square-r00t.net
Tue Jul 7 18:09:13 UTC 2020


On 7/7/20 12:43, Laine Stump wrote:
> On 7/7/20 11:26 AM, ryotaro kobayashi wrote:
>> Hello, everyone.
>>
>> I'm from japan and using machine translation, so I apologize if it's
>> hard to read.
>>
>> I am currently trying to build a virtual environment using Ubuntu and
>> kvm.
>>
>> However, I found out from the following page that the virtual machine
>> cannot use the bridge network because I am using a wireless network.
>>
>> https://wiki.libvirt.org/page/Networking
>>
>> I am having trouble with this because my PC is using a wireless LAN.
>>
>> On that page it says "wireless interfaces cannot be attached to a
>> Linux host bridge",  I Can you tell me why this is so?
>>
>> Is it a limitation of the NIC driver for the wireless LAN?
> 
> Not really.
> 
>> Or is it a limitation of libvirt?
> 
> Definitely not. Completely out of libvirt's control.

Is anyone aware/at liberty to say how VirtualBox circumvents this
limitation? I presume it's via some sort of software switch trickery,
but they seem to be able to do a bridged(-like) mode via a Wi-Fi interface.


-- 
brent saner
https://square-r00t.net/
GPG info: https://square-r00t.net/gpg-info

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