Ethereal-users: RE: [Ethereal-users] Can not see vlan tag information with Ethereal
Sake,
I had gone through the pages that you mentioned and did not find much information. Do you still have any lead to trouble shoot the problem?
Peter
-----Original Message-----
From: ethereal-users-bounces@xxxxxxxxxxxx
[mailto:ethereal-users-bounces@xxxxxxxxxxxx]On Behalf Of Sake Blok
Sent: Tuesday, February 28, 2006 11:50 AM
To: Ethereal user support
Subject: Re: [Ethereal-users] Can not see vlan tag information with
Ethereal
On Tue, Feb 28, 2006 at 10:59:27AM -0500, Peter Wong wrote:
> >
> > I tried to captured the vlan tag information sent from an IP phone which connected to the same hub with my PC running Ethereal. I set up the capture filter with the ip.addr==ip of the ip phone. Ethereal can capture everything else from the IP Phone except vlan tag information. The NIC that I used on the PC is 3Com 3C918 Integrated Fast Ethernet Controller (3C905B-TX Compactible). Is there anything that I missed in set up of the Ethereal? Or do you have any idea where the problem is?
> >
Basically, this is a driver problem, it strips the 802.1Q tags
from the frame before passing it to higher protocols.
Please have a look at http://wiki.ethereal.com/CaptureSetup/VLAN
This helped me in getting the 802.1Q tags to be shown in ethereal.
(My laptop has broadcom hardware, but I believe there is also info
for 3com hardware on that page.)
Cheers, Sake
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