Thanks for the info...
It appears that I have two problems: 1) The adapter in my laptop needs to be
set to promiscuous mode and I cannot see any way to do that and 2) I won't
be able to see packets to/from the hard-wired pc. Is that correct?
Thanks,
Tom
-----Original Message-----
From: wireshark-users-bounces@xxxxxxxxxxxxx
[mailto:wireshark-users-bounces@xxxxxxxxxxxxx] On Behalf Of Sake Blok
Sent: Sunday, September 23, 2007 2:23 PM
To: Community support list for Wireshark
Subject: Re: [Wireshark-users] Newbie question
On Sun, Sep 23, 2007 at 02:03:09PM -0400, Tom Maugham wrote:
> I have just installed Wireshark on a laptop which I want to use to monitor
> my home network. My setup is three desktops connected to a Westell 327W
> Verizon DSL wirless router. One desktop is hardwired and the other two and
> the laptop are wireless. The hard-wired desktop is using XP Pro SP2 and
all
> the other desktops and the laptop are XP Home SP2.
>
> When I initiate Wireshark on the laptop it seems to see everything that is
> occurring on the laptop but not very much on the other PCs. Why is that?
Am
> I expecting too much from Wireshark or do I not have it configured
properly?
Have a look at http://wiki.wireshark.org/CaptureSetup/WLAN :
----- <quote> -----
Capturing WLAN traffic on Windows depends on WinPcap and on the underlying
network adapters and drivers. Unfortunately, most drivers/adapters support
neither monitor mode, nor seeing 802.11 headers when capturing, nor
capturing non-data frames.
Promiscuous mode can be set; unfortunately, it's often crippled. In this
mode many drivers don't supply packets at all, or don't supply packets sent
by the host.
----- </quote> -----
Also when you try to capture all the traffic on the PC with the hard-wired
connection, you won't see all the packets since the network is switched.
Have a look at http://wiki.wireshark.org/CaptureSetup/Ethernet for
more details on what traffic you are able to see on which type of
network-connections.
Hope this helps, Cheers,
Sake
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