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Links: ·Answer these!! ·Tweaks FAQ ·RWIN Calculator ·Download DrTCP ·DrTCP Help ·Tweaks Test ·Packet Loss Test
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krobar
Is this thing on?

join:2002-09-15
Columbus, OH

[DSL] win98 Laptop d/ling ~500k faster than XP desktop.

Hey I'm hoping that maybe asking more people to look at this thread will offer some more suggestions. Here's a link to the original thread on the SBC=Ameritech forums which I think has all the info of the 10 questions.
»Still stuck, XP downloading ~500k slower than 98

Cliff notes:
I have SBC's 3/408 package. Just upgraded 2 weeks ago. Previously there was no difference between the 2 computers, both acheived approximately 1.25 down and 220 up. Once the upgrade came the desktop (which is mine) can only reach 1.95 down and 355 up while the laptop (my wife's) can acheive about 2.5 down and 355 up. We never tweaked her laptop. The desktop has been tweaked.

Exact specs and links to tests/tweaktests are in the other thread. I've been working on this with a few of the guys there from SBC, yes my redback profile is updated, the RT profile is updated, and the modem is syncing properly. I removed the router from the equation, have tried 2 different nics, 2 different cables, 2 different ports on the router, still no change.

I'm open to ideas and if I anyone has any questions that aren't answered in the other thread I'll be glad to reply.
--
Power corrupts. Absolute power is kinda neat.


Irish Shark
Play Like A Champion Today
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join:2000-07-29
Las Vegas, NV
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1 edit

The Tweak Test in the other post has expired. Can you please post another one?
--
“Ninety percent of the game is half mental.” Yogi Berra


krobar
Is this thing on?

join:2002-09-15
Columbus, OH

Re: [DSL] win98 Laptop d/ling ~500k faster than XP

actually I never said I use ZA, I'm really not sure why people keep assuming that other than the guy who suggested it as a possibility. I hate ZA, have hated it for 3 years now, the installer hasn't even ever been downloaded to this pc or either of the harddrives.

And here's the new tweak test:
»ttester.broadbandreports.com/twe···terpppoe
--
Power corrupts. Absolute power is kinda neat.


Irish Shark
Play Like A Champion Today
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join:2000-07-29
Las Vegas, NV
kudos:3

I went back and reread your whole thread, and I saw where you said you are not running any SW firewall.
--
“Ninety percent of the game is half mental.” Yogi Berra



Irish Shark
Play Like A Champion Today
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join:2000-07-29
Las Vegas, NV
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1 edit

reply to krobar

Re: [DSL] win98 Laptop d/ling ~500k faster than XP desktop.

Just for giggles run this speed test.

»ftp://ftp1.optonline.net/pub/test64.exe

Stop it at the 30% mark and note your speed. Then cancel the program.
_____________
I am trying to see if it a Java issue with the sped tests. So, I am taking Java out of the testing process.
--
“Ninety percent of the game is half mental.” Yogi Berra

krobar
Is this thing on?

join:2002-09-15
Columbus, OH

1 edit

Re: [DSL] win98 Laptop d/ling ~500k faster than XP

250kb/s

I'm in an out today due to things that have to be done around the house, sorry for taking so long to answer. I will reply even if it takes me a little while.


Irish Shark
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Well, it is not a Java issue. 250KB/s = 2048kb/s. That is what you are getting on the other speed tests.
--
“Ninety percent of the game is half mental.” Yogi Berra



Irish Shark
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3 edits

What RWIN does the laptop have? What is the MTU?

Can you post a Teeak Test from the laptop? So we can comapre the two.

Try that RWIN and also 49368.
__________________
Maybe there is something "stuck" in the TCP/IP settings in the registry.

This will reset the registry to default TCP/IP values.

(Is this what you called the TCP stack fix?)

Open a Command Prompt and type:
netsh int ip reset c:\resetlog.txt

Reboot. Set The Doctor Tweaks.

Save, exit, reboot, retest.
____________
This is definitely a real kicker.
--
“Ninety percent of the game is half mental.” Yogi Berra


krobar
Is this thing on?

join:2002-09-15
Columbus, OH

yep did the reset tcp/ip registry, no the stack fix was another error thing from another thread, I can't even remember the details now but once I find it I'll post it. It'll take some time to get the tweak test on the laptop, she's scared that if I mess with it it's going to go slower lol

I'll probably do it later tonight or tomorrow morning. Also will try that RWIN.
--
Power corrupts. Absolute power is kinda neat.


krobar
Is this thing on?

join:2002-09-15
Columbus, OH

2 edits

ok, just did a speed test on the laptop, 2.475/352

here's the tweak test, the rwin makes me want to cry lol:
»ttester.broadbandreports.com/twe···terpppoe

immediately after getting this info I ran a speed test on the desktop and got
Your Throughput

Download = 1.991 Mbps
Upload = 354.54 kbps

trying that lower rwin number you posted now. Will edit post with the speeds.

edit: No change with the other rwin, someone in the other thread suggested trying setting the nic to 10mbps and/or half duplex so gonna try that. Will edit if it changes anything in a good way.
Your Throughput

Download = 1.991 Mbps
Upload = 355.55 kbps
edit2: tried 100 full, 100 half, 10 full, and 10 half and it didn't change at all.
--
Power corrupts. Absolute power is kinda neat.



Irish Shark
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Set your RWIN to 14750. Save, exit, reboot, retest, repost.
--------
Just a guess here on what it might be.
--
“Ninety percent of the game is half mental.” Yogi Berra


krobar
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join:2002-09-15
Columbus, OH

nope same, 1.95 down

only other tip I've gotten was on the other thread someone suggested trying to get a nic with the same chipset and drivers that the laptop has, which seems to me to be REALLY stretching it, because when I was on cox cable I had this same router and same pc and everything else the same (well I've reinstalled xp due to a faulty video card that ended up bluescreening in the middle of a repair of xp when I thought it was the vid drivers) and had no problem reading 3.0 down and sometimes a little higher.

plus I don't even know how to go about finding out if there is a nic that has the same chipset as her pcmcia dlink nic does, and given that she's on 98 and I'm on xp I'd think that would preclude the drivers from being the same too
--
Power corrupts. Absolute power is kinda neat.



Irish Shark
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join:2000-07-29
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Naw, I read that. It is not a NIC chipset problem.
--------
So you downloaded from a site and got 3000kp/s?
--
“Ninety percent of the game is half mental.” Yogi Berra


krobar
Is this thing on?

join:2002-09-15
Columbus, OH

yeah back when I had cox, over 6 months ago now. And with pppoe overhead I should be seeing abour 2.4~2.5 down I understand, I do prefer the better pings I've been getting (my node was very oversold) and have no desire to go back to cable, just wanna get this up to speed

I had one other thought, someone over there posted a link to another speed test that has some seriously strong stats, gonna try to cut and paste them here as well as there, very long text though, just fyi, gimme a few mins.
--
Power corrupts. Absolute power is kinda neat.


krobar
Is this thing on?

join:2002-09-15
Columbus, OH

from here: »miranda.ctd.anl.gov:7123/

WEB100 Enabled Statistics:
Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
running 10s outbound test (client to server) . . . . . 350.04Kb/s
running 10s inbound test (server to client) . . . . . . 2.13Mb/s

------ Client System Details ------
OS data: Name = Windows XP, Architecture = x86, Version = 5.1
Java data: Vendor = Sun Microsystems Inc., Version = 1.4.1_02

------ Web100 Detailed Analysis ------
Cable modem/DSL/T1 link found.
Link set to Full Duplex mode
Information: throughput is limited by other network traffic.
Good network cable(s) found
Normal duplex operation found.

Web100 reports the Round trip time = 101.64 msec; the Packet size = 1380 Bytes; and
There were 40 packets retransmitted, 53 duplicate acks received, and 84 SACK blocks received
The connection was idle 0 seconds (0%) of the time
This connection is network limited 99.85% of the time.
Contact your local network administrator to report a network problem

Web100 reports TCP negotiated the optional Performance Settings to:
RFC 2018 Selective Acknowledgment: ON
RFC 896 Nagle Algorithm: ON
RFC 3168 Explicit Congestion Notification: OFF
RFC 1323 Time Stamping: OFF
RFC 1323 Window Scaling: OFF
Information: Network Middlebox is modifying MSS variable
Server IP addresses are preserved End-to-End

WEB100 Kernel Variables:
Client: localhost/127.0.0.1
AckPktsIn: 1035
AckPktsOut: 0
BytesRetrans: 55200
CongAvoid: 912
CongestionOverCount: 0
CongestionSignals: 3
CountRTT: 950
CurCwnd: 23460
CurMSS: 1380
CurRTO: 300
CurRwinRcvd: 65340
CurRwinSent: 5840
CurSsthresh: 19320
DSACKDups: 0
DataBytesIn: 0
DataBytesOut: 2722740
DataPktsIn: 0
DataPktsOut: 1973
DupAcksIn: 53
ECNEnabled: 0
FastRetran: 3
MaxCwnd: 38640
MaxMSS: 1380
MaxRTO: 340
MaxRTT: 170
MaxRwinRcvd: 65340
MaxRwinSent: 5840
MaxSsthresh: 19320
MinMSS: 1380
MinRTO: 280
MinRTT: 80
MinRwinRcvd: 65340
MinRwinSent: 5840
NagleEnabled: 1
OtherReductions: 0
PktsIn: 1036
PktsOut: 1973
PktsRetrans: 40
X_Rcvbuf: 65535
SACKEnabled: 3
SACKsRcvd: 84
SendStall: 0
SlowStart: 36
SampleRTT: 90
SmoothedRTT: 90
X_Sndbuf: 65535
SndLimTimeRwin: 0
SndLimTimeCwnd: 10021333
SndLimTimeSender: 14274
SndLimTransRwin: 0
SndLimTransCwnd: 1
SndLimTransSender: 1
SndLimBytesRwin: 0
SndLimBytesCwnd: 2725500
SndLimBytesSender: 0
SubsequentTimeouts: 0
SumRTT: 96560
Timeouts: 0
TimestampsEnabled: 0
WinScaleRcvd: 2147483647
WinScaleSent: 2147483647
DupAcksOut: 0
StartTimeUsec: 687762
Duration: 10052675
c2sData: 2
c2sAck: 2
s2cData: 6
s2cAck: 3

Checking for mismatch condition
(cwndtime > .3) [0.99>.3], (MaxSsthresh > 0) [19320>0],
(PktsRetrans/sec > 2) [4.0>2], (estimate > 2) [2.65>2]
Checking for mismatch on uplink
(speed > 50 [2.17>50], (xmitspeed .9) [0>.9], (loss .15) [1.52>.15], (cwndtime > .6) [0.99>.6],
(loss 0) [19320>0]
Checking for 10 Mbps link
(speed 3.0) [2.17>3.0]
(xmitspeed 0) [100>0]
Checking for Wireless link
(sendtime = 0) [0.00=0], (speed 50 [2.65>50], (Rwintime > 90) [0>.90]
(RwinTrans/CwndTrans = 1) [0/1=1], (link > 0) [100>0]
Checking for DSL/Cable Modem link
(speed 0) [100>0]
Checking for half-duplex condition
(rwintime > .95) [0>.95], (RwinTrans/sec > 30) [0>30],
(SenderTrans/sec > 30) [0.10>30], OR (link .02) [0.99>.02], (mismatch = 0) [0=0]
(MaxSsthresh > 0) [19320>0]

bw = 2.65 based on packet size = 10Kbits, RTT = 101.64msec, and loss = 0.0015205270610749722
The theoretical network limit is 2.65 Mbps
The transmit buffer (63.0 KByte) limits the application to 4.91 Mbps
Your receive buffer (63.0 KByte) limits the application to 4.90 Mbps
The network based flow control limits the application to 2.90 Mbps

Client Data reports link is 'T1', Client Acks report link is 'T1'
Server Data reports link is 'OC-12', Server Acks report link is 'Ethernet'

__________________________
sorry for huge post
--
Power corrupts. Absolute power is kinda neat.



Irish Shark
Play Like A Champion Today
Premium,MVM
join:2000-07-29
Las Vegas, NV
kudos:3

reply to krobar
Is that the Miranda Speed Test? If so, I was going to post that. Now, be careful on some of the things that it reports. It does not apply or is off into the wild blue.
--
“Ninety percent of the game is half mental.” Yogi Berra


krobar
Is this thing on?

join:2002-09-15
Columbus, OH

yeah I have no idea what a lot of it means, was hoping there might be a clue maybe? lol
--
Power corrupts. Absolute power is kinda neat.



Irish Shark
Play Like A Champion Today
Premium,MVM
join:2000-07-29
Las Vegas, NV
kudos:3

I have been trying to figure out what is amiss here. I compared my results with yours and others.

What I see is the MaxCwnd: 38640 is too low. It should be close to or above your RWIN. This is also low CurCwnd: 23460. However, I cannot find a way to fix it.
--
“Ninety percent of the game is half mental.” Yogi Berra


krobar
Is this thing on?

join:2002-09-15
Columbus, OH

oh, my rwin is still set to 14730 at the time that was done I believe.
--
Power corrupts. Absolute power is kinda neat.



Irish Shark
Play Like A Champion Today
Premium,MVM
join:2000-07-29
Las Vegas, NV
kudos:3

No, the RWIN is CurRwinRcvd: 65340


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