Lou
at your speeds, you need to use a pre-processort such as nProbe to generate flow records that can be analyzed by ntop. This way you will address your packet drop issues

Regards Luca

On 08/03/2010 05:26 PM, Hailu Meng wrote:
Hi All,

I just checked the ntop and the dropped packets through libpcap is 81%. This is really high. It has been keeping rising since I started monitoring two weeks ago. Our traffic is like 200 to 400Mbps. Is this the limitation for ntop using libpcap? Does the PF_RING help on this issue?

Thanks a lot.

Lou

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