Wireshark-users: Re: [Wireshark-users] Atheros AR8152/815 and VLAN tags
From: Stephen Fisher <steve@xxxxxxxxxxxxxxxxxx>
Date: Tue, 29 Nov 2011 13:54:06 -0700
On Fri, Nov 25, 2011 at 10:55:40AM -0200, Fabio Mendes wrote:

> I captured some data but I'm not able to see the vlans tags.

> I had the same issue a couple of years ago with a Broadcom card. After 
> a research I found that all that I had to do was to set up some 
> options in the registry.

Often times, there is no way.  This page may help though:

    http://wiki.wireshark.org/CaptureSetup/VLAN