Re: Traffic Monitor

From: Stanley Hopcroft (Stanley.Hopcroft_at_IPAustralia.Gov.AU)
Date: 04/23/04

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    Date: Fri, 23 Apr 2004 08:08:37 +1000
To: freebsd-isp@freebsd.org

    Dear Folks,

    On Thu, Apr 22, 2004 at 10:43:03AM -0400, Arie Kachler wrote:
    > Hi Spidey,
    >
    > If you want full bells and whistles,
    > http://www.packeteer.com/prod-sol/products/packetshaper.cfm. This one
    > will let you do anything you want. Exprensive but worth it.
    >

    if you want - perhaps - slightly less audio visual stimulation, the
    Exinda appliance (http://www.Exinda.COM) is a cheaper alternative to the
    Packeteer and also easier to set up.

    The Exinda is a stoutly built beast with failover NICS. It runs Linux
    and provides an LCD display, ssh and https interfaces. Reports are
    downloadable PDFs or can be scheduled for delivery by mail. IIRC, data
    can be downloaded in CSV format.

    FWIW, all the products - ntop, Exinda, and ntop all have peculiarities
    about data extraction. For example

     Exinda: no SNMP; use web or mail
     Packeteer: SNMP but useless; use web
     Ntop: web (or batch unloading of the RRDs)

    A potential advantage of the appliance approach is that their reports
    are less likely to be rejected by your provider. My employer uses ntop
    (a fine product) but only for internal monitoring. BTW, there are some
    FreeBSD specific gotcahs with ntop (possibly only with source install).

    Another good cheap product is StatScout (http://www.StatScout.COM), a
    FreeBSD based software product or possibly appliance. Doesn't do L4 or
    above but can be used for accounting (usual role is performance and
    utilisation monitoring).

    Yours sincerely. 

    -- 
------------------------------------------------------------------------
Stanley Hopcroft
------------------------------------------------------------------------
'...No man is an island, entire of itself; every man is a piece of the
continent, a part of the main. If a clod be washed away by the sea,
Europe is the less, as well as if a promontory were, as well as if a
manor of thy friend's or of thine own were. Any man's death diminishes
me, because I am involved in mankind; and therefore never send to know
for whom the bell tolls; it tolls for thee...'
from Meditation 17, J Donne.
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