routing for 1000 users and 10Mbit internet.

[hugle]

BM> hugle wrote:
>> FG> On Mon, 31 May 2004, hugle wrote:
>> 
>>>>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)?
>> 
>> FG> My guess is either cheap hardware (NIC) or bad tuning. What NICs are you
>> FG> using?
>> 
>> I'm using Intel cards (fxp) at the moment. But from reading the posts
>> I've decided to buy GBIT NIC.
>> Now the dilema is what brand name.. INTEL or 3COM ? maybe you guys
>> could advice?

BM> I've always had good results with fxp cards.
how much users do you have? and what model?
>> And yes, my PC is dealing with lots of network traffic.. It's a
>> gateway + shaping. It deals with almost 1000 users..
>> 
>> Will this PC (p4 2.4GHZ) deal with 10mbit internet? as a gateway +
>> shaper ? with one GBIT NIC connected to 100Mbit swith?

BM> A gbit NIC isn't going to run at gbit speed on a 100mbit switch.
I know, but as I know it'll have more memory, buffer or smth like
that. which somehow will help to deal with the problem, right?
BM> I would look elsewhere than the NIC.  Intel NICs are good units (in my experience,
BM> if someone knows of problems with them, please speak up)
from systam -v:
481 fxp0 irq12
226 fxp1 irq3
317 fxp2 irq7
I think it is quite high? right?
BM> Read the polling man page and see if it will help you.