Wireshark · Ethereal-users: Re: [Ethereal-users] 802.1Q packets with Broadcom gigabit on Latitude D610 in Windows XP

[Ulf Lamping <ulf.lamping@xxxxxx>]

Eric Rosenberry wrote:

> I recently ran into a problem with a metro Ethernet provider giving me
> a 10 megabit Ethernet connection that had VLAN tagging running on it,
> however, they did not properly communicate the correct VLAN tag to
> me.  I fired up ethereal on my Dell Latitude D610 (running Windows XP
> with a Broadcom 57xx card) to see what was coming across the link
> (from some of my gear on the other end that was properly configured)
> and I was able to see the traffic, but ethereal did not let me see
> what VLAN it was tagged with.
>
> From the research I have done (most of my information coming from
> previous postings to this mailing list) I believe the problems lie in
> the Broadcom drivers stripping the VLAN tag information off before
> passing it up.  I have read that on the Intel cards you can disable
> this...  Is there any way to get this working on the Broadcom cards?
>
> Any help is appreciated!

I've seen an Intel card which stripped the VLAN tags, but I don't needed
them so didn't had a problem with. Sorry, no help here.

>
> P.S.  Also of note on the Latitude D610, WinPcap 3.0 did not work for
> me on this machine.  I had to install WinPcap 3.1 beta4 in order to be
> able to capture packets.  I am not sure if this was just required for
> this machine period, or if it had something to do with the fact that I
> have a Bluetooth adapter in here along with the Cisco VPN Client
> installed.
>
WinPcap is not maintained by the Ethereal but by the WinPcap people,
please send problem reports to them...

Regards, ULFL