Ethereal-users: Re: [Ethereal-users] wlan beacon

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From: Guy Harris <gharris@xxxxxxxxx>
Date: Sun, 5 May 2002 15:11:28 -0700
On Sun, May 05, 2002 at 05:47:32PM -0400, Richard Daniel Farina wrote:
> but is there a way to make a capture 
> filter that will capture the first beacon frame and then stop writing 
> them to the log?

No.  Ethereal includes no support for "stateful" capture filters
(libpcap/WinPcap doesn't have any notion of a "stateful" capture filter,
and nobody's written code to do that kind of filtering in Ethereal), and
a filter that captures the *first* of a given type of packet is
stateful.