On Mar 24, 2006, at 8:12 AM, OxY wrote:
hi guys!
well, i changed my motherboard and CPU from the
asus a7v8x+amd 2000+ xp to
the abit be7 + p4 2.4 (533fsb) and the packet loss fell down from
8% to 2%, but
still have loss...
loss coming when i have load.. i guess it decreased because of the
bigger resources.
still waiting for tipps, hints, everything :)
I don't think you'll ever get down to 0% in your situation. I
noticed in the initial post that you have
net.inet.tcp.inflight.enable=1 set. On my home network, turning that
off helped a great deal with samba traffic to my freebsd file server/
router. It didn't seem to affect traffic to my webserver much, but
its very low traffic. The problem with tuning on other people's
settings is that each workload is different though. There might not
be a miracle hack to get this working how you want. I'm sure the new
box is a bit better as I attempted some of the steps outlined by Jin
on my two machines. (amd 2300+ w/ msi nforce2 512mb ram and P4
2.4ghz 1gb ram 533mhz fsb) The P4 system was faster on all my tests
by quite a large margin. I can't remember what version of FreeBSD
you are using, but I do know they've done work on the em and fxp
drivers during the 6.x series. I noticed a big improvement from 5.4
to 6.0 release and to 6.1 betas from 6.0 release. You might have
better luck when 6.1 release comes out.
I must admit, I didn't follow all of Jin's calculations. I do think
he's right about some motherboard chipsets having limitations that
limit real world traffic on the bus though. It follows what I
learned in college during electrical engineering courses I was
required to take. Hardware and Software are a lot alike. Just
because something claims to support specific performance
characteristics, does not mean that it does. Windows is a great
example. I would guess that your problem is a combination of several
factors including hardware, software, and network conditions. Almost
every time I've had a problem like this at work or home its been a
wiring problem or a switch limiting the throughput.
Lucas Holt
[EMAIL PROTECTED]
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