ring buffer with tcpdump

["Ramon Kukla" <Ramon.Kukla () roland-rechtsschutz de>]

Hi everybody,

I searched the web and checked a couple of times the tcpdump manuals to
be sure that I didn't overlooked something. But I have to admit that I
didn't find any solution for my problem.
I would like to run tcpdump saving the dumps into a number of files
with the size 'n'.
Currently I'm running tcpdump with 'tcpdump -C 50 -w filename -i eth1'.
But I would like to have an option saying 'If you finished writing
file 50 please start to overwrite file number 0' (ring buffer ).
And yes... I could use ethereal. But in fact this time I just have the
ability to use tcpdump due to the lack of a missing X ;)

So maybe anyone with a nice idea or a hint how tcpdumd would create my
ring buffer?

Thanks for your help
Ramon


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