Are you sure that the monitor port of the switch you use is configured
to forward tagged frames?

On 11/13/06, Maxim Bakushin <[EMAIL PROTECTED]> wrote:
>
>
> Hi, all.
>
> I have a WinXP SP2 machine with a NDIS driver installed. Application running
> on this machine re-assembles VLAN-tagged Ethernet frames and sends them to a
> router via L2 switch.
> When I run Ethereal (0.99.0, WinPcap 3.1) on this machine, I can see correct
> VLAN-tagged Ethernet frames sent to the destination, but when I monitor
> (with Ethereal) the LAN between that machine and L2 switch - the frames do
> not include the VLAN-tags. Its seems me strange.
> So, my question is - what is source of information for Ethereal on the WinXP
> machine ?
> Thanks in advance.
> maximb
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