Wireshark-users: Re: [Wireshark-users] Problems with dumpcap and ringbuffer

From: Lars Ruoff <Lars.Ruoff@xxxxxxxxxx>
Date: Fri, 24 Nov 2006 13:27:36 +0100
Thank you Anders,
as said, i will test again with dumpcap/Wireshark 0.99.4

br,
Lars

Anders Broman (AL/EAB) wrote:
Hi,
What version is that? I think there was a ringbuffer problem solved a while back... BR
Anders

-----Original Message-----
From: wireshark-users-bounces@xxxxxxxxxxxxx
[mailto:wireshark-users-bounces@xxxxxxxxxxxxx] On Behalf Of Lars Ruoff
Sent: den 24 november 2006 13:19
To: Wireshark-users
Subject: [Wireshark-users] Problems with dumpcap and ringbuffer

Hi,
one of my customers in using dumpcap (on Windows) like this:

 > dumpcap -i X -w data/dump.pcap -b filesize:10000 -b files:100

(where X is the index of the right capture interface.) This should turn
on a max of 100 files * 10000KB = 1GB of maximum used disk space.

He notes that:
<quote>
We have started the tests as indicated.  Initially the filesize was
increasing in a proper manner, i.e. I checked at intervals and it was
for example, 1MB, 4MB, 6MB etc...

However after some time, I checked the filesize again, and found a
number of files with a size of approximately 100 bytes each (1KB size on
disk), which I'm attaching for your comments.
</quote>

Actually, these files contain a *single* (entire) packet!

Anybody knowing what's going on here?
Is this a known bug and can something be done about it?

thanks,
Lars


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