["KENDALL, Andrew" <andrew.kendall@xxxxxxxxxxxx>]

Had an experience yesterday of only being able to see Spanning Tree and
Broadcast data. It turns out that the Cisco VPN Client had switched on and
was acting as a type of firewall.

-----Original Message-----
From: ethereal-users-bounces@xxxxxxxxxxxx
[mailto:ethereal-users-bounces@xxxxxxxxxxxx] On Behalf Of Ulf Lamping
Sent: 15 August 2005 17:28
To: Ethereal user support
Subject: Re: [Ethereal-users] RE: cannot see "live capture" --> Resolved for
me


Flashfox wrote:

>I had the same "cannot display live updates" problem that was 
>reported...
>well, at least the same symptoms.
>
>What I was seeing:
>
>1. Configured Ethereal  using VIEW, PREFERENCES, etc.
>2. Main menu, selected CAPTURE
>3. Clicked on START
>4. No activity was being displayed. However, when I stopped the 
>capture, I
>received only 1 page of data.
>
>  
>
#4: Are you quite sure that really no more packets were captured?

It's more probable that you just didn't saw them. This might be caused 
by a known bug (http://bugs.ethereal.com/bugzilla/show_bug.cgi?id=220), 
that sometimes (unfortunately not well reproducible) the scrollbar of 
the packet list is missing. You can make it reappear by slightly 
resizing the packet list.

What does the packet numbers in the statusbar show?

>Here is how I resolved it:
>
>1. Click on CAPTURE
>2. Select NIC Card
>3. On the same screen, click on PREPARE in the NIC Card
>4. Check UPDATE LIST OF PACKET IN REALTINE
>5. Check AUTOMATIC SCROLLING
>6. Check other options as desired
>7. Select START CAPTURE
>
>What I did wrong:
>
>I had NOT clicked on the "prepare" button in the NIC selection area, 
>hence
>the problem.
>  
>
You'll first have to change the settings once before working. You can do 
this in the capture section of the preferences (don't forget to save :-).

These are disabled by default as this will (slightly) cost performance, 
so the probability that packets are dropped while capturing raises.

>Maybe I missed something, but previous versions of Ethereal acted
>differently. The "preferences" section automatically popped-up when you 
>selected the capture function.
>  
>
That way was added (in one of the last releases), as some people 
(including me) often start a new capture without the need to change the 
capture options.

You can simply use the capture options just like before.

So yes, this was added recently.

Regards, ULFL

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