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Date:      Thu, 28 Apr 2005 14:19:01 +1000
From:      Stanley Hopcroft <Stanley.Hopcroft@IPAustralia.gov.au>
To:        freebsd-isp@freebsd.org
Subject:   Re: NTop
Message-ID:  <20050428041901.GC49470@ws11114.aipo.gov.au>
In-Reply-To: <20050427191941.L65811@pop.citytel.net>
References:  <005201c54b92$0cf63e60$0701a8c0@CIRIUM> <20050427191941.L65811@pop.citytel.net>

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Dear Sir,

I am writing to thank you for your letter and say,

On Wed, Apr 27, 2005 at 07:24:55PM -0700, Keith Woodworth wrote:
> 
> 
> Anyone else running Ntop? What kind of machine vs how much traffic are you
> looking at?
>

Ntop needs a lot of RAM if you want to monitor serious bandwidth (ie LAN 
or big WAN).

I think the requirement is documented in the distro docs/FAQ 'Q. Why 
does ntop use so much memory ?'

IIRC correctly it uses 12-16 kB/host. Think about nmap 10/8.
 
> thanks,
> Keith

Other caveats are 3.1 - the latest release - may not work too well on 
RELENG 4.

The Ntop list archives on gmane are prob your friends; the memory issues
come up often.

Yours sincerely.

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