[Ntop] ntop traffic limit?

Graeme Fowler graeme at graemef.net
Tue Jan 6 17:38:56 CET 2009


Hi

On Tue, 2009-01-06 at 11:21 -0500, Mike Marseglia wrote:
>   I have a question on the amount of traffic ntop and libpcap can
> handle, considering hardware specifications.  I have spanned 1Gb of
> traffic the following linux system and ntop is reporting a large
> amount of dropped traffic.  ntop eventually quits because it runs out
> of hash table memory.  I suspect libpcap is dropping FIN packets and
> as a result ntop keeps the conversation in memory.

Your probably want to consider using PF_RING over libpcap for this
capture rate:

http://www.ntop.org/PF_RING.html

You'll need to recompile ntop to do so.

Graeme



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