Why wireless interface cannot be attached to a Linux host bridge?
ryotaro kobayashi
ryo.plavi at gmail.com
Tue Jul 7 22:27:27 UTC 2020
Thank you for your reply.
> it has to do with WiFi packets being slightly different than stock
Ethernet packets
Certainly, as you say, there are differences in both packets, such as the
handling of src/dest MAC addresses, etc.
Best regards.
P.S. Machine translation is amazing these days. I cannot live without
this ! :-)
2020年7月8日(水) 1:30 Ken D'Ambrosio <ken at jots.org>:
> On 2020-07-07 11:26, 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?
> Or is it a limitation of libvirt?
>
>
> Hi! While I no longer recall the details myself, it has to do with WiFi
> packets being slightly different than stock Ethernet packets, and WiFi
> simply can't support bridging. While there are, if memory serves, some
> interfaces that allow you to work around this, it's really a protocol issue
> and neither libvirt or a driver's fault. Perhaps someone else either
> remembers more details, or is willing to come back with something m,ore
> specific, but I thought I'd reply so you at least had something.
>
> -Ken
>
> P.S. The machine translation worked very, very well.
>
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