[Snort-users] Performance.

Vjay LaRosa vjayl at ...3331...
Wed Mar 20 09:46:03 EST 2002


Sorry,

The 4'th instance is just for testing currently. I am considering replacing the
Solaris host as the snort system with
two linux systems. (I would then use the Solaris box as the Mysql host/Demarc
console)

vjl





Phil Wood wrote:

> On Wed, Mar 20, 2002 at 12:09:04PM -0500, Vjay LaRosa wrote:
> > O.Kay,
> >
> > I know that everyone probably hates this question, but I need to ask it
> > any way. I am running four instances
> > of snort. The first three run on a Fujitsu Prime Power M400, the fourth
> > runs on a linux PC.
>   2 On my Solaris host I have two 100MB cards that run close to 75% utilization
> >   each.
> >   Snort barely even drops a single packet ever from either of these cards.
>   1 My third instance is reading off a Sun Gigabit
> > card. This interface only peaks periodically at 2% utilization, but I
> > drop hundreds of thousands of packets. I am using libpcap version 7.1,
> > snort 1.8.4 beta 4. The snort
> Look at the interface stats.  On linux you can cat /proc/net/dev and see
> if the card has any information.  I don't know what solaris provides.
> > process that is dropping all of the packets is only running at about 9%
> > CPU utilization. I have tried reducing signatures,
> > and removing output plugins, but nothing helps . Does anyone have any
> > suggestions for me to try? Thanks!
>
> I only see 3 instances discussed.  what about the fourth.  What kind of
> linux PC do you have?
>
> >
> > vjl
> >
> >
> >
> > --
> >  V.Jay LaRosa                           EMC Corporation
> >  Systems Administrator                  171 South Street
> >  (508)435-1000 ext 14957                Hopkinton, MA 01748
> >  (508)497-8082 fax                      www.emc.com
> >
> >
> >
> >
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> --
> Phil Wood, cpw at ...440...

--
 V.Jay LaRosa                           EMC Corporation
 Systems Administrator                  171 South Street
 (508)435-1000 ext 14957                Hopkinton, MA 01748
 (508)497-8082 fax                      www.emc.com







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