Re: vlan tags filtered in linux bridge interfaces?

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On 08/21/2014 11:06 PM, Dennis Jacobfeuerborn wrote:
> Hi,
> I've set up a virtual machine and plugged it into a bridge on the host.
> When i configure an ip for eth0 in the guest i can ping other machines
> fine but when I add an interface eth0.10 in the guest and add an ip
> pings using this interface do not work.
> When using tcpdump in vnet0 on the host I can see the icmp packets when
> I ping using eth0 in the guest but not when I use the eth0.10 interface.
>
> Do tagged packets get filtered by libvirt and can this be disabled so
> that packets just get forwarded without such filtering?

libvirt doesn't do anything explicit to filter vlan-tagged packets. If
something is happening, it's happening at a different level (perhaps in
the guest itself)

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