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Author Topic: Help me Tweak please  (Read 9541 times)

Offline ddpoohndave

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Help me Tweak please
« on: April 08, 2006, 03:18:11 pm »
Im using Verizon DSL Versalink modem.

TCP options string = 020405ac01010402
 
MTU = 1492
MTU is optimized for PPoE DSL broadband. If not, consider raising MTU to 1500 for optimal throughput.
 
MSS = 1452
MSS is optimized for PPPoE DSL broadband. If not, consider raising your MTU value.
 
Default TCP Receive Window (RWIN) = 65535
RWIN Scaling (RFC1323) = 0 bits
Unscaled TCP Receive Window = 65535

Note: TCP 1323 Options need to be enabled for RWIN over 2^16 (65535). Windows 9x might also need the MS Vtcp386 fix.
For optimum performance, consider changing RWIN to a multiple of MSS.
Other RWIN values that might work well with your current MTU/MSS:
511104 (MSS x 44 * scale factor of 8)
255552 (MSS x 44 * scale factor of 4)
127776 (MSS x 44 * scale factor of 2)
 63888 (MSS x 44)
 
bandwidth * delay product (Note this is not a speed test):

Your TCP Window limits you to: 2621.4 kbps (327.675 KBytes/s) @ 200ms
Your TCP Window limits you to: 1048.56 kbps (131.07 KBytes/s) @ 500ms
 
MTU Discovery (RFC1191) = ON
 
Time to live left = 120 hops
TTL value is ok.
 
Timestamps (RFC1323) = OFF
Selective Acknowledgements (RFC2018) = ON
IP type of service field (RFC1349) = 00000000 (0)
 
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Offline ddpoohndave

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Re: Help me Tweak please
« Reply #1 on: April 08, 2006, 04:35:03 pm »
:::.. Download Stats ..:::
Connection is:: 782 Kbps about 0.78 Mbps (tested with 386 kB)
Download Speed is:: 95 kB/s
Tested From:: http://testmy.net  (Server 1)
Test Time:: 2006/04/08 - 2:34pm
Bottom Line:: 14X faster than 56K 1MB Download in 10.78 sec
Tested from a 386 kB file and took 4.047 seconds to complete
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; .NET CLR 2.0.50727)
Diagnosis: May need help : running at only 15.24 % of your hosts average (verizon.net)
Validation Link:: http://testmy.net/stats/id-JAE5TK3UL


Download Speed: 688 kbps (86 KB/sec transfer rate)
Upload Speed: 95 kbps (11.9 KB/sec transfer rate)

Download Speed: 623 kbps (77.9 KB/sec transfer rate)
Upload Speed: 103 kbps (12.9 KB/sec transfer rate)

Download Speed: 459 kbps (57.4 KB/sec transfer rate)
Upload Speed: 100 kbps (12.5 KB/sec transfer rate

Download Speed: 548 kbps (68.5 KB/sec transfer rate)
Upload Speed: 93 kbps (11.6 KB/sec transfer rate

Download Speed: 543 kbps (67.9 KB/sec transfer rate)
Upload Speed: 107 kbps (13.4 KB/sec transfer rate
« Last Edit: April 08, 2006, 04:59:33 pm by ddpoohndave »
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mccoffee

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Re: Help me Tweak please
« Reply #2 on: April 08, 2006, 05:39:12 pm »
http://www.speedguide.net:8080/ take this test cut and paste everything below ip infromation in a new reply
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Offline ddpoohndave

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Re: Help me Tweak please
« Reply #3 on: April 08, 2006, 05:46:42 pm »
Browser/OS = Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; .NET CLR 2.0.50727)
Notes: Read the Analyzer FAQ if the above is not your IP address.

TCP options string = 020405ac01010402
 
MTU = 1492
MTU is optimized for PPoE DSL broadband. If not, consider raising MTU to 1500 for optimal throughput.
 
MSS = 1452
MSS is optimized for PPPoE DSL broadband. If not, consider raising your MTU value.
 
Default TCP Receive Window (RWIN) = 65535
RWIN Scaling (RFC1323) = 0 bits
Unscaled TCP Receive Window = 65535

Note: TCP 1323 Options need to be enabled for RWIN over 2^16 (65535). Windows 9x might also need the MS Vtcp386 fix.
For optimum performance, consider changing RWIN to a multiple of MSS.
Other RWIN values that might work well with your current MTU/MSS:
511104 (MSS x 44 * scale factor of 8)
255552 (MSS x 44 * scale factor of 4)
127776 (MSS x 44 * scale factor of 2)
 63888 (MSS x 44)
 
bandwidth * delay product (Note this is not a speed test):

Your TCP Window limits you to: 2621.4 kbps (327.675 KBytes/s) @ 200ms
Your TCP Window limits you to: 1048.56 kbps (131.07 KBytes/s) @ 500ms
 
MTU Discovery (RFC1191) = ON
 
Time to live left = 120 hops
TTL value is ok.
 
Timestamps (RFC1323) = OFF
Selective Acknowledgements (RFC2018) = ON
IP type of service field (RFC1349) = 00000000 (0)
 
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mccoffee

  • Guest
Re: Help me Tweak please
« Reply #4 on: April 08, 2006, 05:51:31 pm »
DefaultReceiveWindow = 98304
DefaultSendWindow = 98304
DisableAddressSharing = 1
InitialLargeBufferCount = 200
InitialMediumBufferCount = 480
InitialSmallBufferCount = 640
LargeBufferSize = 819200
MaxFastTransmit = 64000
MediumBufferSize = 150400
Priority Boost = 0
SmallBufferSize = 12800
TransmitWorker = 32
FastSendDatagramThreshhold = 4096
EnableFastRouteLookup = 1
EnablePMTUDiscovery = 1
IgnorePushBitsOnReceives = 0
GlobalMaxTcpWindowSize = 20328
MaxFreeTcbs = 8000
MaxHashTableSize = 16384
MaxNormLookupMemory = 5000000
SackOpts = 1
SynAttackProtect = 1
Tcp1323Opts = 0
TcpLogLevel = 1
TcpMaxDupAttacks = 3
TcpMaxHalfOpen = 100
TcpMaxHalfOpenRetired = 80
TcpRecvSegmentSize = 1452
TcpSendSegmentSize = 1452
TcpTimedWaitDelay = 30
TcpUseRFC1122UrgentPointer = 0
TcpWindowSize = 20328
MaxConnectionsPer1_0Server = 10
MaxConnectionsPerServer = 8
DefaultTimeToLive = 64
DefaultUserTOSSetting = 0
TcpMaxDataRetransmissions = 6
DefaultTOSValue = 240
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Offline ddpoohndave

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Re: Help me Tweak please
« Reply #5 on: April 08, 2006, 06:03:31 pm »
Browser/OS = Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; .NET CLR 2.0.50727)
Notes: Read the Analyzer FAQ if the above is not your IP address.

TCP options string = 020405a401010402
 
MTU = 1484
MTU is somewhat optimized for broadband. If you're not on a PPPoE DSL connection that limits packet size, consider increasing your MTU to 1500 for optimal throughput.
 
MSS = 1444
Maximum useful data in each packet = 1444, which equals MSS.
 
Default TCP Receive Window (RWIN) = 33396
RWIN Scaling (RFC1323) = 0 bits
Unscaled TCP Receive Window = 33396

For optimum performance, consider changing RWIN to a multiple of MSS.
Other RWIN values that might work well with your current MTU/MSS:
508288 (MSS x 44 * scale factor of 8)
254144 (MSS x 44 * scale factor of 4)
127072 (MSS x 44 * scale factor of 2)
 63536 (MSS x 44)
 
bandwidth * delay product (Note this is not a speed test):

Your TCP Window limits you to: 1335.84 kbps (166.98 KBytes/s) @ 200ms
Your TCP Window limits you to: 534.336 kbps (66.792 KBytes/s) @ 500ms
 
MTU Discovery (RFC1191) = ON
 
Time to live left = 120 hops
TTL value is ok.
 
Timestamps (RFC1323) = OFF
Selective Acknowledgements (RFC2018) = ON
IP type of service field (RFC1349) = 00000000 (0)


That look better?
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Offline ddear16322

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Re: Help me Tweak please
« Reply #6 on: April 12, 2006, 01:02:03 pm »
So are these numbers better? This is ddpoohndave I forgot I had signed up before with ddear lol.
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