ddriesse

February 21, 2005

VanBuren's settings and roadrunner 5mbps connection

Download Speed:

5991.2 k bits per sec

734.2 k bytes per sec

Speed Test Thermometer

Time:

Download time (milliseconds): 681

Download time (seconds): 0.681

Start Time: 1108957154187

End Time: 1108957154868

Data:

Download size (bits): 4096000

Download size (bytes): 512000

Download size (kilobytes): 500

Speed (bits/second): 6014684.287812041

Speed (bytes/second): 751835.5359765051

Speed (kilobytes/second): 734.2143906020558

February 17, 2005

thanks for the steering...found it ..

Dave

February 17, 2005

i'm not finding a choice for full or half duplex according to the above instructions??? using xp sp2..help

thanks, Dave

February 16, 2005

Hey VanBuren

when using router, set your NIC to 100 Mbps full duplex --- how do I do this?

and when direct connection to modem use 10 Mbps half duplex---using rj 45 connection direct in the back of laptop? and how do I do this?

Thanks, Dave

February 16, 2005

also from the web100 test site w/ direct connection and also w/ wireless card-----

connected via rj45---------

WEB100 Enabled Statistics:

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

running 10s outbound test (client to server) . . . . . 405.30Kb/s

running 10s inbound test (server to client) . . . . . . 4.48Mb/s

------ Client System Details ------

OS data: Name = Windows XP, Architecture = x86, Version = 5.1

Java data: Vendor = Sun Microsystems Inc., Version = 1.5.0_01

------ Web100 Detailed Analysis ------

Cable modem/DSL/T1 link found.

Link set to Half 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 = 133.53 msec; the Packet size = 1460 Bytes; and

There were 49 packets retransmitted, 198 duplicate acks received, and 240 SACK blocks received

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

This connection is network limited 99.92% 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: ON

Packet size is preserved End-to-End

Server IP addresses are preserved End-to-End

Information: Network Address Translation (NAT) box is modifying the Client's IP address

Server says [68.205.229.24] but Client says [192.168.1.102]

WEB100 Kernel Variables:

Client: localhost/127.0.0.1

AckPktsIn: 2049

AckPktsOut: 0

BytesRetrans: 71540

CongAvoid: 1632

CongestionOverCount: 0

CongestionSignals: 2

CountRTT: 1810

CurCwnd: 91980

CurMSS: 1460

CurRTO: 380

CurRwinRcvd: 624640

CurRwinSent: 5840

CurSsthresh: 54020

DSACKDups: 0

DataBytesIn: 0

DataBytesOut: 5692540

DataPktsIn: 0

DataPktsOut: 3899

DupAcksIn: 198

ECNEnabled: 0

FastRetran: 2

MaxCwnd: 204400

MaxMSS: 1460

MaxRTO: 500

MaxRTT: 310

MaxRwinRcvd: 624640

MaxRwinSent: 5840

MaxSsthresh: 102200

MinMSS: 1460

MinRTO: 280

MinRTT: 80

MinRwinRcvd: 39040

MinRwinSent: 5840

NagleEnabled: 1

OtherReductions: 0

PktsIn: 2050

PktsOut: 3899

PktsRetrans: 49

X_Rcvbuf: 103424

SACKEnabled: 3

SACKsRcvd: 240

SendStall: 0

SlowStart: 175

SampleRTT: 150

SmoothedRTT: 150

X_Sndbuf: 103424

SndLimTimeRwin: 0

SndLimTimeCwnd: 10031726

SndLimTimeSender: 7981

SndLimTransRwin: 0

SndLimTransCwnd: 1

SndLimTransSender: 1

SndLimBytesRwin: 0

SndLimBytesCwnd: 5692540

SndLimBytesSender: 0

SubsequentTimeouts: 0

SumRTT: 241700

Timeouts: 0

TimestampsEnabled: 0

WinScaleRcvd: 4

WinScaleSent: 7

DupAcksOut: 0

StartTimeUsec: 543918

Duration: 10041528

c2sData: 2

c2sAck: 2

s2cData: 9

s2cAck: 3

Checking for mismatch condition

(cwndtime > .3) [0.99>.3], (MaxSsthresh > 0) [102200>0],

(PktsRetrans/sec > 2) [4.90>2], (estimate > 2) [3.68>2]

Checking for mismatch on uplink

(speed > 50 [4.53>50], (xmitspeed < 5) [0.40<5]

(rwintime > .9) [0>.9], (loss < .01) [5.12<.01]

Checking for excessive errors condition

(loss/sec > .15) [5.12>.15], (cwndtime > .6) [0.99>.6],

(loss < .01) [5.12<.01], (MaxSsthresh > 0) [102200>0]

Checking for 10 Mbps link

(speed < 9.5) [4.53<9.5], (speed > 3.0) [4.53>3.0]

(xmitspeed < 9.5) [0.40<9.5] (loss < .01) [5.12<.01], (link > 0) [0>0]

Checking for Wireless link

(sendtime = 0) [7.94=0], (speed < 5) [4.53<5]

(Estimate > 50 [3.68>50], (Rwintime > 90) [0>.90]

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

Checking for DSL/Cable Modem link

(speed < 2) [4.53<2], (SndLimTransSender = 0) [1=0]

(SendTime = 0) [7.949435177739748E-4=0], (link > 0) [0>0]

Checking for half-duplex condition

(rwintime > .95) [0>.95], (RwinTrans/sec > 30) [0>30],

(SenderTrans/sec > 30) [0.10>30], OR (link <= 10) [0<=10]

Checking for congestion

(cwndtime > .02) [0.99>.02], (mismatch = 0) [0=0]

(MaxSsthresh > 0) [102200>0]

bw = 3.68 based on packet size = 11Kbits, RTT = 133.53msec, and loss = 5.129520432092249E-4

The theoretical network limit is 3.68 Mbps

The transmit buffer (101.0 KByte) limits the application to 5.90 Mbps

Your receive buffer (610.0 KByte) limits the application to 35.68 Mbps

The network based flow control limits the application to 11.67 Mbps

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

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

------------------------------------------------------------------

connected via wireless card

WEB100 Enabled Statistics:

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

running 10s outbound test (client to server) . . . . . 403.33Kb/s

running 10s inbound test (server to client) . . . . . . 2.38Mb/s

------ Client System Details ------

OS data: Name = Windows XP, Architecture = x86, Version = 5.1

Java data: Vendor = Sun Microsystems Inc., Version = 1.5.0_01

------ Web100 Detailed Analysis ------

Cable modem/DSL/T1 link found.

Link set to Half 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 = 120.31 msec; the Packet size = 1460 Bytes; and

There were 67 packets retransmitted, 266 duplicate acks received, and 283 SACK blocks received

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

This connection is network limited 99.91% 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

Information: Network Address Translation (NAT) box is modifying the Client's IP address

Server says [68.205.229.24] but Client says [192.168.1.103]

WEB100 Kernel Variables:

Client: localhost/127.0.0.1

AckPktsIn: 1306

AckPktsOut: 0

BytesRetrans: 97820

CongAvoid: 853

CongestionOverCount: 0

CongestionSignals: 4

CountRTT: 1021

CurCwnd: 27740

CurMSS: 1460

CurRTO: 320

CurRwinRcvd: 624640

CurRwinSent: 5840

CurSsthresh: 18980

DSACKDups: 0

DataBytesIn: 0

DataBytesOut: 3455820

DataPktsIn: 0

DataPktsOut: 2367

DupAcksIn: 266

ECNEnabled: 0

FastRetran: 4

MaxCwnd: 224840

MaxMSS: 1460

MaxRTO: 530

MaxRTT: 330

MaxRwinRcvd: 624640

MaxRwinSent: 5840

MaxSsthresh: 112420

MinMSS: 1460

MinRTO: 290

MinRTT: 90

MinRwinRcvd: 39040

MinRwinSent: 5840

NagleEnabled: 1

OtherReductions: 0

PktsIn: 1306

PktsOut: 2367

PktsRetrans: 67

X_Rcvbuf: 103424

SACKEnabled: 3

SACKsRcvd: 283

SendStall: 0

SlowStart: 167

SampleRTT: 110

SmoothedRTT: 110

X_Sndbuf: 103424

SndLimTimeRwin: 0

SndLimTimeCwnd: 10031852

SndLimTimeSender: 8080

SndLimTransRwin: 0

SndLimTransCwnd: 1

SndLimTransSender: 1

SndLimBytesRwin: 0

SndLimBytesCwnd: 3455820

SndLimBytesSender: 0

SubsequentTimeouts: 0

SumRTT: 122840

Timeouts: 0

TimestampsEnabled: 0

WinScaleRcvd: 4

WinScaleSent: 7

DupAcksOut: 0

StartTimeUsec: 941784

Duration: 10041908

c2sData: 2

c2sAck: 2

s2cData: 9

s2cAck: 3

Checking for mismatch condition

(cwndtime > .3) [0.99>.3], (MaxSsthresh > 0) [112420>0],

(PktsRetrans/sec > 2) [6.69>2], (estimate > 2) [2.25>2]

Checking for mismatch on uplink

(speed > 50 [2.75>50], (xmitspeed < 5) [0.40<5]

(rwintime > .9) [0>.9], (loss < .01) [0.00<.01]

Checking for excessive errors condition

(loss/sec > .15) [1.68>.15], (cwndtime > .6) [0.99>.6],

(loss < .01) [0.00<.01], (MaxSsthresh > 0) [112420>0]

Checking for 10 Mbps link

(speed < 9.5) [2.75<9.5], (speed > 3.0) [2.75>3.0]

(xmitspeed < 9.5) [0.40<9.5] (loss < .01) [0.00<.01], (link > 0) [0>0]

Checking for Wireless link

(sendtime = 0) [8.04=0], (speed < 5) [2.75<5]

(Estimate > 50 [2.25>50], (Rwintime > 90) [0>.90]

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

Checking for DSL/Cable Modem link

(speed < 2) [2.75<2], (SndLimTransSender = 0) [1=0]

(SendTime = 0) [8.047863272380729E-4=0], (link > 0) [0>0]

Checking for half-duplex condition

(rwintime > .95) [0>.95], (RwinTrans/sec > 30) [0>30],

(SenderTrans/sec > 30) [0.10>30], OR (link <= 10) [0<=10]

Checking for congestion

(cwndtime > .02) [0.99>.02], (mismatch = 0) [0=0]

(MaxSsthresh > 0) [112420>0]

bw = 2.25 based on packet size = 11Kbits, RTT = 120.31msec, and loss = 0.001689902856014669

The theoretical network limit is 2.25 Mbps

The transmit buffer (101.0 KByte) limits the application to 6.55 Mbps

Your receive buffer (610.0 KByte) limits the application to 39.61 Mbps

The network based flow control limits the application to 14.25 Mbps

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

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

February 16, 2005

yes xp sp2..cablenut 4.0

Download Stats with direct connection via rj45

Connection is:: 4583 Kbps about 4.6 Mbps (tested with 2992 KB)

Download Speed is:: 559 KB/s

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

Test Time:: Wed Feb 16 09:17:27 EST 2005

Bottom Line:: 82X faster than 56K 1MB download in 1.83 sec

Diagnosis: Awesome! 20% + : 43.8 % faster than the average for host (rr.com)

Validation Link:: https://testmy.net/id-6WR1HGPLK

Download Stats with wireless card

Connection is:: 3394 Kbps about 3.4 Mbps (tested with 2992 KB)

Download Speed is:: 414 KB/s

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

Test Time:: Wed Feb 16 09:21:08 EST 2005

Bottom Line:: 61X faster than 56K 1MB download in 2.47 sec

Diagnosis: Looks Great : 6.5 % faster than the average for host (rr.com)

Validation Link:: https://testmy.net/id-X47KS6NM0

Upload Stats with direct connection via rj45

Connection is:: 365 Kbps about 0.4 Mbps (tested with 1496 KB)

Upload Speed is:: 45 KB/s

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

Test Time:: Wed Feb 16 09:27:47 EST 2005

Bottom Line:: 7X faster than 56K 1MB upload in 22.76 sec

Diagnosis: Looks Great : 13.35 % faster than the average for host (rr.com)

Validation Link:: https://testmy.net/id-1H5AX67BC

Upload Stats with wireless card

Connection is:: 364 Kbps about 0.4 Mbps (tested with 1496 KB)

Upload Speed is:: 44 KB/s

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

Test Time:: Wed Feb 16 09:24:13 EST 2005

Bottom Line:: 7X faster than 56K 1MB upload in 23.27 sec

Diagnosis: Looks Great : 13.04 % faster than the average for host (rr.com)

Validation Link:: https://testmy.net/id-T9JAQ8DCG

. Your Tweakable Settings:---connected via rj45

Receive Window (RWIN): 624640

Window Scaling: 4

Path MTU Discovery: ON

RFC1323 Window Scaling: ON

RFC1323 Time Stamping: OFF

Selective Acks: ON

MSS requested: 1460

TTL: unknown

TTL remaining: 55

2. Test 146000 byte download

Actual data bytes sent: 146000

Actual data packets: 100

Max packet sent (MTU): 1500

Max packet recd (MTU): 1500

Retransmitted data packets: 0

sacks you sent: 0

pushed data pkts: 1

data transmit time: 0.363 secs

our max idletime: 125.1 ms

transfer rate: 172838 bytes/sec

transfer rate: 1382 kbits/sec

This is not a speed test!

transfer efficiency: 100%

3. ICMP (ping) check

Target unpingable

Notes and recommendations:

Choose RWIN between 48180 and 125560 (FAQ #586)

download/use DRTCP .. (FAQ #578)

Read the tweak FAQ

Notes and recommendations:

Good data stream (no/few rexmits

-----------------------

connected via wireless card

1. Your Tweakable Settings:

Receive Window (RWIN): 624640

Window Scaling: 4

Path MTU Discovery: ON

RFC1323 Window Scaling: ON

RFC1323 Time Stamping: OFF

Selective Acks: ON

MSS requested: 1460

TTL: unknown

TTL remaining: 55

2. Test 146000 byte download

Actual data bytes sent: 146000

Actual data packets: 100

Max packet sent (MTU): 1500

Max packet recd (MTU): 1500

Retransmitted data packets: 0

sacks you sent: 0

pushed data pkts: 1

data transmit time: 0.427 secs

our max idletime: 49.6 ms

transfer rate: 167669 bytes/sec

transfer rate: 1341 kbits/sec

This is not a speed test!

transfer efficiency: 100%

3. ICMP (ping) check

Target unpingable

Notes and recommendations:

Choose RWIN between 48180 and 125560 (FAQ #586)

download/use DRTCP .. (FAQ #578)

Read the tweak FAQ

Notes and recommendations:

Good data stream (no/few rexmits

February 16, 2005

Good morning all.

When I am connected w/ rj45 cable to roadrunner I get about 4.5 mbps.

When I am connected via linksys wireless card about 3.2 mbps

Which ccs settings should I use? would I use one for direct and a different for the wireless?

Thanks,

Dave

February 10, 2005

about 25 ft away from router.....when bypassing the router about 1.2mbps better

February 10, 2005

I am running xp sp2 and using a linksys router 802.11b.....with a direct connection via rj45 I can squeeze 4.8mbps but with wireless card only can get 3.6mbps .....is this normal or should I be able to get the wireless to do better?

Thanks, Dave

February 6, 2005

I posted both analyzer results and both copy and paste results from your download test file. The old ccs test file ( cable_fast_2k.ccs still seems tp produce faster results than the MSS1460 cable and dsl 5000 384.ccs.....sorry for the confusion on the earlier post....Dave

February 5, 2005

SpeedGuide.net TCP/IP Analyzer

TCP properties for IP = 68.205.229.24 ()

Browser/OS = Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR

1.0.3705; .NET CLR 1.1.4322)

Notes: Read the Analyzer FAQ if the above is not your IP address.

TCP options string = 020405b40103030401010402

MTU = 1500

MTU is fully optimized for broadband.

MSS = 1460

Maximum useful data in each packet = 1460, which equals MSS.

Default Receive Window (RWIN) = 624640

RWIN Scaling (RFC1323) = 4 bits (scale factor of

Unscaled Receive Window = 39040

For optimum performance, consider changing RWIN to a multiple of MSS.

Other values for RWIN that might work well with your current MTU/MSS:

513920 (MSS x 44 * scale factor of

256960 (MSS x 44 * scale factor of 4)

128480 (MSS x 44 * scale factor of 2)

64240 (MSS x 44)

bandwidth * delay product (Note this is not a speed test):

Your RcvWindow limits you to: 24985.6 kbps (3123.2 KBytes/s) @ 200ms

Your RcvWindow limits you to: 9994.24 kbps (1249.28 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = ON

Time to live left = 53 hops

TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349) = 00000000

19237676 connections tested since 03.10.2001.

Analyzer version: 1.05 - updated 08.14.2003.

............................

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

Connection is:: 4584 Kbps about 4.6 Mbps (tested with 2992 KB)

Download Speed is:: 560 KB/s

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

Test Time:: Sat Feb 5 14:58:29 EST 2005

Bottom Line:: 82X faster than 56K 1MB download in 1.83 sec

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

......................

with old ccs fas cable modem settings

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

Connection is:: 4762 Kbps about 4.8 Mbps (tested with 2992 KB)

Download Speed is:: 581 KB/s

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

Test Time:: Sat Feb 5 15:05:01 EST 2005

Bottom Line:: 85X faster than 56K 1MB download in 1.76 sec

Validation Link:: https://testmy.net/id-V406XWJP3

with old ccs settings

TCP options string = 020405b401010402

MTU = 1500

MTU is fully optimized for broadband.

MSS = 1460

Maximum useful data in each packet = 1460, which equals MSS.

Default Receive Window (RWIN) = 64240

RWIN Scaling (RFC1323) = 0 bits

Unscaled Receive Window = 64240

RWIN is a multiple of MSS

Other values for RWIN that might work well with your current MTU/MSS:

513920 (MSS x 44 * scale factor of

256960 (MSS x 44 * scale factor of 4)

128480 (MSS x 44 * scale factor of 2)

bandwidth * delay product (Note this is not a speed test):

Your RcvWindow limits you to: 2569.6 kbps (321.2 KBytes/s) @ 200ms

Your RcvWindow limits you to: 1027.84 kbps (128.48 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = ON

Time to live left = 37 hops

TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349) = 00000000

19237787 connections tested since 03.10.2001.

Analyzer version: 1.05 - updated 08.14.2003.

February 4, 2005

yes I am using xp w/ sp2 ...

February 4, 2005

will do....

from the tcp analyzer below:

SpeedGuide.net TCP/IP Analyzer

TCP properties for IP = 68.205.229.24 ()

Browser/OS = Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322)

Notes: Read the Analyzer FAQ if the above is not your IP address.

TCP options string = 020405b401010402

MTU = 1500

MTU is fully optimized for broadband.

MSS = 1460

Maximum useful data in each packet = 1460, which equals MSS.

Default Receive Window (RWIN) = 64240

RWIN Scaling (RFC1323) = 0 bits

Unscaled Receive Window = 64240

RWIN is a multiple of MSS

Other values for RWIN that might work well with your current MTU/MSS:

513920 (MSS x 44 * scale factor of

256960 (MSS x 44 * scale factor of 4)

128480 (MSS x 44 * scale factor of 2)

bandwidth * delay product (Note this is not a speed test):

Your RcvWindow limits you to: 2569.6 kbps (321.2 KBytes/s) @ 200ms

Your RcvWindow limits you to: 1027.84 kbps (128.48 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = ON

Time to live left = 37 hops

TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349) = 00000000

February 4, 2005

seems to work bettert with old ccs setting .... new one for cable/5mb connection tends to hiccup about 1 second into it...only able to achieve low 4's w/ new....4.8 w/ old settings

ddriesse

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

Connection is:: 4779 Kbps about 4.8 Mbps (tested with 2992 KB)

Download Speed is:: 583 KB/s

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

Test Time:: Fri Feb 4 08:36:38 EST 2005

Bottom Line:: 85X faster than 56K 1MB download in 1.76 sec

Validation Link:: https://testmy.net/id-7ANPOG6HY

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