Wireshark-users: Re: [Wireshark-users] View Filter -> Capture Filter
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From: Stephen Fisher <stephentfisher@xxxxxxxxx>
Date: Thu, 26 Oct 2006 00:08:02 -0700
On Thu, Oct 26, 2006 at 04:49:45PM +1000, sallas@xxxxxxxxxx wrote:

> Cheers, I had tried using 'tcp port 389' but in needing to do a 24hr 
> capture resulted in a lot of info. Even when splitting the data 
> amongst multiple files resulted in 10Mb x 260 files. Opening this many 
> files would be too much. I'm not sure of what the maximum file size 
> WireShark can handle in opening, may give 150Mb a go instead of 10Mb 
> multiple file sizes.

This page gives some tips on improving performance when using large 
capture files:

  http://wiki.wireshark.org/Performance

The size of capture file supported is only limited by the amount of RAM 
you have and CPU speed to process all of the packets.  I don't think 
there is an official upper limit.


Steve