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Recurring death march for Virgin DSL


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Hi everybody!

I posted a couple of days ago regarding my ridiculously slow 512(!)kb/s virgin connection, which was running at less than half supposed speed. Some great advice and cablenut help from VanBuren (thanks for that!) cured the problem, but it happened again on the very next startup. I've now come to my wits end trying to fix it. Cablenut and DR TCP have been used with various configurations (following carefully the advice and guidelines from this site and dslreports.com), as well as many tweaks from dslreports. I've tried four different firewalls, limited and eventually stopped all non essential programs and tools from using the connection, re-booted again and again and again. I managed, after a cablenut settings .zip Vanburen passed on to me, managed to get 505Kb/s down, but as I said it was rather short lived. I've checked for spyware/adware and viruses (using adaware, spybot s+d, Norton antivirus and AVG antivirus).

My system is a Compaq P4 2.6GHz, 256MB RAM, 60GB HDD (around half full). I am at the moment running the Kerio firewall (wanted Sygate but it kept crashing Windows). Could I have a registry problem or something similar? I don't think it should be my ISP, as their connection ratings seem high and no one I know using them has ever complained. I emailed virgin themselves a whole bunch of times, but for some reason they haven't mailed back...hmm.

Anyone willing to help would have my deepest gratitude, 'cause I am about to go severly nuts.

test and tweak results:

:::.. Download Stats ..:::

Connection is:: 172 Kbps about 0.2 Mbps (tested with 386 KB)

Download Speed is:: 21 KB/s

Tested From:: http://www.testmy.net/

Test Time:: Fri Jan 28th 2005 2:47 AM GMT

Bottom Line:: 3X faster than 56K 1MB download in 48.76 sec

Validation Link:: https://testmy.net/cgi-bin/get.cgi?Test_ID=KVZSTLBGN

:::.. Upload Stats ..:::

Connection is:: 40 Kbps about 0 Mbps (tested with 97 KB)

Upload Speed is:: 5 KB/s

Tested From:: http://www.testmy.net/

Test Time:: Fri Jan 28th 2005 2:48 AM GMT

Bottom Line:: 1X faster than 56K 1MB download in 204.8 sec

Validation Link:: https://testmy.net/cgi-bin/get.cgi?Test_ID=SUM3Z7O00

http://ttester.broadbandreports.com/tweak/block:1e80e3a?service=dsl&speed=512&os=winXP&via=normal

TCP/Web100 Network Diagnostic Tool v5.2.1e

click START to begin

Server Busy: Please wait 60 seconds for previous test to finish

click START to re-test

Checking for Middleboxes . . . . . . . . . . . . . . . . . .

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  Hopefully someone is able to help!

I remember thinking my connection was running slow, so I complained to my ISP when it was running at 2500 Kbs for downloading and 250 for uploading.  :lol:

But since then I've doubled my connection speed, thanks to the Tweaking information I found on this site.

Hope the same can be done for you...Eventually.

:twisted:

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I dont know if this would have a whole lot to do with your connection loss but your 2nd hop in your trace route is alittle high. 

2    19 ms    58 ms  105 ms  brhm-t2core-b-ge-wan71.inet.ntl.com [213.106.231.185]

Ping that router and see what kind of connection your getting..It looks like its gonna have alot of fluctuation in it. If it does call your isp and tell them which hop and the ip you are getting high ping times on.

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hey again Nitro4WD :)

somehow you must have restored the resistry or windows did, thats why you noticed the canges only after reboot.

i agree with Velocity, that second hop seems unstable and you should check it time to time.

i thought ntl was a cable isp, correct me if im wrong  ;)

anyways try this file, unzip it to C:ProgramCablenut

then open cablenut adjuster, click delete cablenut tweaks + save to registry

now go to top left corner, click file, click load custom settings, browse to C:ProgramCablenut and dubbleclick onthe file you unzipped.

now click save to registry again and reboot, also reboot your modem and router for 30 seconds

good luck

VanBuren :)

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Hey there!

Thanks for the responses! Can't get over how good a community this forum generates.

Thanks for the cablenut tweaks VanBuren, I did everything you said, but unfortunately it doesn't seem to have worked:

:::.. Download Stats ..:::

Connection is:: 152 Kbps about 0.2 Mbps (tested with 386 KB)

Download Speed is:: 19 KB/s

Tested From:: http://www.testmy.net/

Test Time:: Fri Jan 28th 2005 6:31 PM GMT

Bottom Line:: 3X faster than 56K 1MB download in 53.89 sec

Validation Link:: https://testmy.net/id-T1SKNGPMC

:::.. Upload Stats ..:::

Connection is:: 35 Kbps about 0 Mbps (tested with 97 KB)

Upload Speed is:: 4 KB/s

Tested From:: http://www.testmy.net/

Test Time:: Fri Jan 28th 2005 6:32 PM GMT

Bottom Line:: 1X faster than 56K 1MB download in 256 sec

Validation Link:: https://testmy.net/id-5IARB7DHJ

I noticed the settings were the same as the one you sent me before (which worked), so I'm wondering...Is there a possibility that somehow XP is cleaning out the registry tweaks every reboot (though it didn't even work at first this time)? I'm a noob to tweaking as you can tell, my last 2 high speed accounts were both from a network and managed by others.

Now I use a normal adsl modem running through the filter that came with it.

I've been pinging that abnormally long hop too, it's averaging out around 150m/s, which as you noted is rather a long time...could it be something on my isp's end?

Really appreciate any help!

Peace.

;)

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Hey again!

Here's those results, thanks! Just hung up on Virgin, apparently they're going to call me back...I love talking to premium rate companies...*sigh*

TCP/Web100 Network Diagnostic Tool v5.2.1e

click START to begin

Checking for Middleboxes . . . . . . . . . . . . . . . . . .  Done

running 10s outbound test (client to server) . . . . . 10.63Kb/s

running 10s inbound test (server to client) . . . . . . 126.76kb/s

Your PC is connected to a Cable/DSL modem

click START to re-test

WEB100 Kernel Variables:

Client: localhost/127.0.0.1

AckPktsIn: 95

AckPktsOut: 0

BytesRetrans: 16060

CongAvoid: 0

CongestionOverCount: 0

CongestionSignals: 1

CountRTT: 55

CurCwnd: 16060

CurMSS: 1460

CurRTO: 4580

CurRwinRcvd: 65536

CurRwinSent: 5840

CurSsthresh: 32120

DSACKDups: 0

DataBytesIn: 0

DataBytesOut: 242360

DataPktsIn: 0

DataPktsOut: 166

DupAcksIn: 33

ECNEnabled: 0

FastRetran: 1

MaxCwnd: 65700

MaxMSS: 1460

MaxRTO: 5030

MaxRTT: 3160

MaxRwinRcvd: 65536

MaxRwinSent: 5840

MaxSsthresh: 32120

MinMSS: 1460

MinRTO: 1040

MinRTT: 320

MinRwinRcvd: 32768

MinRwinSent: 5840

NagleEnabled: 1

OtherReductions: 0

PktsIn: 95

PktsOut: 166

PktsRetrans: 11

X_Rcvbuf: 103424

SACKEnabled: 3

SACKsRcvd: 39

SendStall: 0

SlowStart: 46

SampleRTT: 780

SmoothedRTT: 2170

X_Sndbuf: 103424

SndLimTimeRwin: 4698645

SndLimTimeCwnd: 8805956

SndLimTimeSender: 4472

SndLimTransRwin: 1

SndLimTransCwnd: 2

SndLimTransSender: 1

SndLimBytesRwin: 24820

SndLimBytesCwnd: 217540

SndLimBytesSender: 0

SubsequentTimeouts: 0

SumRTT: 89010

Timeouts: 0

TimestampsEnabled: 0

WinScaleRcvd: 1

WinScaleSent: 7

DupAcksOut: 0

StartTimeUsec: 460187

Duration: 13526183

c2sData: 2

c2sAck: 1

s2cData: 9

s2cAck: 2

Checking for mismatch condition

(cwndtime > .3) [0.65>.3], (MaxSsthresh > 0) [32120>0],

(PktsRetrans/sec > 2) [0.84>2], (estimate > 2) [0.08>2]

Checking for mismatch on uplink

(speed > 50 [0.14>50], (xmitspeed < 5) [0.01<5]

(rwintime > .9) [0.34>.9], (loss < .01) [0.00<.01]

Checking for excessive errors condition

(loss/sec > .15) [4.63>.15], (cwndtime > .6) [0.65>.6],

(loss < .01) [0.00<.01], (MaxSsthresh > 0) [32120>0]

Checking for 10 Mbps link

(speed < 9.5) [0.14<9.5], (speed > 3.0) [0.14>3.0]

(xmitspeed < 9.5) [0.01<9.5] (loss < .01) [0.00<.01], (link > 0) [0>0]

Checking for Wireless link

(sendtime = 0) [3.31=0], (speed < 5) [0.14<5]

(Estimate > 50 [0.08>50], (Rwintime > 90) [0.34>.90]

(RwinTrans/CwndTrans = 1) [1/2=1], (link > 0) [0>0]

Checking for DSL/Cable Modem link

(speed < 2) [0.14<2], (SndLimTransSender = 0) [1=0]

(SendTime = 0) [3.310367780231849E-4=0], (link > 0) [0>0]

Checking for half-duplex condition

(rwintime > .95) [0.34>.95], (RwinTrans/sec > 30) [0.07>30],

(SenderTrans/sec > 30) [0.07>30], OR (link <= 10) [0<=10]

Checking for congestion

(cwndtime > .02) [0.65>.02], (mismatch = 0) [0=0]

(MaxSsthresh > 0) [32120>0]

bw = 0.08 based on packet size = 11Kbits, RTT = 1618.36msec, and loss = 0.0060240961611270905

The theoretical network limit is 0.08 Mbps

The transmit buffer (101.0 KByte) limits the application to 0.48 Mbps

Your receive buffer (64.0 KByte) limits the application to 0.30 Mbps

The network based flow control limits the application to 0.30 Mbps

Client Data reports link is 'T1', Client Acks report link is 'Dial-up'

Server Data reports link is '10 Gig', Server Acks report link is 'T1'

Cheers!

:D

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this dosent look very good, you loosing packets and have a latency ( RTT) of 1618 ms

bw = 0.08 based on packet size = 11Kbits, RTT = 1618.36msec, and loss = 0.0060240961611270905

The theoretical network limit is 0.08 Mbps

The transmit buffer (101.0 KByte) limits the application to 0.48 Mbps

Your receive buffer (64.0 KByte) limits the application to 0.30 Mbps

The network based flow control limits the application to 0.30 Mbps

run test again and also copy all text in "Statistic"

VanBuren :)

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Hope you're not getting bored of me! Thanks for the patience man!

click START to begin

Checking for Middleboxes . . . . . . . . . . . . . . . . . .  Done

running 10s outbound test (client to server) . . . . . 10.63Kb/s

running 10s inbound test (server to client) . . . . . . 126.76kb/s

Your PC is connected to a Cable/DSL modem

click START to re-test

Checking for Middleboxes . . . . . . . . . . . . . . . . . .  Done

running 10s outbound test (client to server) . . . . . 11.55Kb/s

running 10s inbound test (server to client) . . . . . . 133.58kb/s

Your PC is connected to a Cable/DSL modem

click START to re-test

WEB100 Kernel Variables:

Client: localhost/127.0.0.1

AckPktsIn: 97

AckPktsOut: 0

BytesRetrans: 14600

CongAvoid: 0

CongestionOverCount: 0

CongestionSignals: 1

CountRTT: 55

CurCwnd: 17520

CurMSS: 1460

CurRTO: 4220

CurRwinRcvd: 65536

CurRwinSent: 5840

CurSsthresh: 32120

DSACKDups: 0

DataBytesIn: 0

DataBytesOut: 239440

DataPktsIn: 0

DataPktsOut: 164

DupAcksIn: 33

ECNEnabled: 0

FastRetran: 1

MaxCwnd: 65700

MaxMSS: 1460

MaxRTO: 4860

MaxRTT: 3070

MaxRwinRcvd: 65536

MaxRwinSent: 5840

MaxSsthresh: 32120

MinMSS: 1460

MinRTO: 990

MinRTT: 330

MinRwinRcvd: 32768

MinRwinSent: 5840

NagleEnabled: 1

OtherReductions: 0

PktsIn: 97

PktsOut: 164

PktsRetrans: 10

X_Rcvbuf: 103424

SACKEnabled: 3

SACKsRcvd: 42

SendStall: 0

SlowStart: 46

SampleRTT: 710

SmoothedRTT: 2110

X_Sndbuf: 103424

SndLimTimeRwin: 4305774

SndLimTimeCwnd: 8713031

SndLimTimeSender: 4535

SndLimTransRwin: 1

SndLimTransCwnd: 2

SndLimTransSender: 1

SndLimBytesRwin: 24820

SndLimBytesCwnd: 214620

SndLimBytesSender: 0

SubsequentTimeouts: 0

SumRTT: 90950

Timeouts: 0

TimestampsEnabled: 0

WinScaleRcvd: 1

WinScaleSent: 7

DupAcksOut: 0

StartTimeUsec: 755903

Duration: 13039354

c2sData: 2

c2sAck: 0

s2cData: 9

s2cAck: 2

Checking for mismatch condition

(cwndtime > .3) [0.66>.3], (MaxSsthresh > 0) [32120>0],

(PktsRetrans/sec > 2) [0.76>2], (estimate > 2) [0.08>2]

Checking for mismatch on uplink

(speed > 50 [0.14>50], (xmitspeed < 5) [0.01<5]

(rwintime > .9) [0.33>.9], (loss < .01) [0.00<.01]

Checking for excessive errors condition

(loss/sec > .15) [4.69>.15], (cwndtime > .6) [0.66>.6],

(loss < .01) [0.00<.01], (MaxSsthresh > 0) [32120>0]

Checking for 10 Mbps link

(speed < 9.5) [0.14<9.5], (speed > 3.0) [0.14>3.0]

(xmitspeed < 9.5) [0.01<9.5] (loss < .01) [0.00<.01], (link > 0) [0>0]

Checking for Wireless link

(sendtime = 0) [3.48=0], (speed < 5) [0.14<5]

(Estimate > 50 [0.08>50], (Rwintime > 90) [0.33>.90]

(RwinTrans/CwndTrans = 1) [1/2=1], (link > 0) [0>0]

Checking for DSL/Cable Modem link

(speed < 2) [0.14<2], (SndLimTransSender = 0) [1=0]

(SendTime = 0) [3.4822096328591593E-4=0], (link > 0) [0>0]

Checking for half-duplex condition

(rwintime > .95) [0.33>.95], (RwinTrans/sec > 30) [0.07>30],

(SenderTrans/sec > 30) [0.07>30], OR (link <= 10) [0<=10]

Checking for congestion

(cwndtime > .02) [0.66>.02], (mismatch = 0) [0=0]

(MaxSsthresh > 0) [32120>0]

bw = 0.08 based on packet size = 11Kbits, RTT = 1653.63msec, and loss = 0.006097560748457909

The theoretical network limit is 0.08 Mbps

The transmit buffer (101.0 KByte) limits the application to 0.47 Mbps

Your receive buffer (64.0 KByte) limits the application to 0.30 Mbps

The network based flow control limits the application to 0.30 Mbps

Client Data reports link is 'T1', Client Acks report link is 'RTT'

Server Data reports link is '10 Gig', Server Acks report link is 'T1'

Cable modem/DSL/T1 link found.

Link set to Half Duplex mode

No network congestion discovered.

Good network cable(s) found

Normal duplex operation found.

Web100 reports the Round trip time = 1653.63 msec; the Packet size = 1460 Bytes; and

There were 10 packets retransmitted, 33 duplicate acks received, and 42 SACK blocks received

The connection was idle 0 seconds (0%) of the time

This connection is receiver limited 33.06% of the time.

This connection is network limited 66.90% of the time.

  Contact your local network administrator to report a network problem

  Contact your local network admin and report excessive packet reordering

    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: ON

Packet size is preserved End-to-End

Server IP addresses are preserved End-to-End

Client IP addresses are preserved End-to-End

Peace!

;)

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Web100 reports the Round trip time = 1653.63 msec; the Packet size = 1460 Bytes; and

There were 10 packets retransmitted, 33 duplicate acks received, and 42 SACK blocks received

The connection was idle 0 seconds (0%) of the time

This connection is receiver limited 33.06% of the time.

This connection is network limited 66.90% of the time.

  Contact your local network administrator to report a network problem

  Contact your local network admin and report excessive packet reordering

send all this info in your last post with test link to your ISP, a RTT of 1653 is 10 times too much

also make a traceroute to this server http://nitro.ucsc.edu/

the problem is in this node  2    19 ms    58 ms  105 ms  brhm-t2core-b-ge-wan71.inet.ntl.com [213.106.231.185]

good luck

VanBuren :)

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