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Date: Mon, 31 May 2004 19:36:00 +0300
From: hugle <hugle@vkt.lt>
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To: Fernando Gleiser <fgleiser@cactus.fi.uba.ar>,
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Subject: Re[2]: routing for 1000 users and 10Mbit internet.
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FG> On Mon, 31 May 2004, hugle wrote:

>> The question in what machine do i need?
>> What CPU and how much of ram ?

FG> I set up a firewall for more than 300 users, a DMZ with a public webserver,
FG> webmail and MX on a PII-350MHz with 128 MB RAM.
dammit..
why then my users eats so much CPU?
look:
CPU states:  0.0% user,  0.0% nice,  0.8% system, 38.0% interrupt, 61.2% idle
Mem: 21M Active, 177M Inact, 133M Wired, 1228K Cache, 199M Buf, 1677M Free

I have only 61% idle ?
usualy i have ~50 idle..
now I have P4 2.4GHZ

maybe my setup is bad (kernel I mean)?
ps. what those interrupt means?

FG> On another client, I set up a firewall for 50 users with a Pentium 90MHz
FG> with 64MB RAM.

>> dual or single processor ?

FG> One. Don't waste you money. A firewall isn't very CPU intensive. And given
FG> the fact that ipf works at the IP stack level, I don't think you can have
FG> more than one thread active at a time messing with the IP data structures.


FG> 			Fer