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 From:  "Jason J. Ellingson" <jason at ellingson dot com>
 To:  <jesse at wingnet dot net>, <m0n0wall at lists dot m0n0 dot ch>
 Subject:  RE: [m0n0wall] poor performance!
 Date:  Wed, 17 Nov 2004 15:38:41 -0600
Since you are talking about data between the Intel PCI and 3Com PCI card
(and not the ISA 3Com card), I'd look there...

I see that the two PCI cards are on the same IRQ.... IRQ 9 (which itself is
a cascaded IRQ and often used by other things as well)... use the DOS
utilities that come with the intel and 3com to change their IRQs to
different numbers...

Then try again.
------------------------------------------------------------
Jason J Ellingson
Technical Consultant

615.301.1682 : nashville
612.605.1132 : minneapolis

www.ellingson.com
jason at ellingson dot com

-----Original Message-----
From: news [mailto:news at sea dot gmane dot org] On Behalf Of Jesse Guardiani
Sent: Wednesday, November 17, 2004 3:21 PM
To: m0n0wall at lists dot m0n0 dot ch
Subject: [m0n0wall] poor performance!

Hello,

I've got a 350.80-MHz P2 running 196608K bytes
of RAM, according to exec.php `dmesg`.

Here are my network interfaces:

fxp0: <Intel 82559 Pro/100 Ethernet> port 0xef00-0xef3f mem
0xfe600000-0xfe6fffff,0xfe7ff000-0xfe7fffff irq 9 at device 16.0 on pci0
fxp0: Ethernet address 00:90:27:d3:91:8a
inphy0: <i82555 10/100 media interface> on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: <3Com 3c905B-TX Fast Etherlink XL> port 0xec00-0xec7f mem
0xfe7fef80-0xfe7fefff irq 9 at device 17.0 on pci0
xl0: Ethernet address: 00:00:e2:1f:84:86
miibus1: <MII bus> on xl0
xlphy0: <3Com internal media interface> on miibus1
xlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
ep0: <3Com 3C509B-Combo EtherLink III (PnP)> at port 0x210-0x21f irq 5 on
isa0
ep0: Ethernet address 00:a0:24:41:87:7a

And:

WAN: xl0
LAN: fxp0
OPT1: ep0

I'm not running IPsec. I'm running PPPoE and
advanced NAT. Traffic shaper is loaded with
rules, but turned off. I have a NAT rule
publishing my LAN machine's port 80 on the WAN.

If I download something from a computer on
the LAN through the WAN over 1.5Mx256M ADSL
to a machine on the other side of the ADSL,
I get a consistent 26K/s using wget on the
public IP machine and Apache2 on the local LAN
machine.

That's terrible! I should get 124K/s, bare
minimum! I'm the network admin, so I have
checked our traffic utilization during these
downloads, and our ATM circuits are practically
empty. Also, I can configure my ADSL router
to route the traffic itself, rather than use
bridge mode, and I get 124K/s.

Any ideas what might be causing this? xl and fxp
are fairly performant drivers, aren't they?

Is my CPU the bottleneck? Is my PCI bus the
bottleneck? Are my cards the bottleneck? How
can I tell?

-- 
Jesse Guardiani, Systems Administrator
WingNET Internet Services,
P.O. Box 2605 // Cleveland, TN 37320-2605
423-559-LINK (v)  423-559-5145 (f)
http://www.wingnet.net



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