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Group: Forum Members
Last Login: 8/24/2006 7:13 PM
Posts: 6, Visits: 4 |
| http://ny-monitor.dslreports.com/tweak/block:3526bb9?service=cable&speed=1537&os=winXP&via=normal
this is what I get a dslreports, I have dl-ed dr.tcpip but it just doesnt change.
So I altered it in my registry coz I thought maybe dr.tcpip wouldnt work, but still the same problem.........no selective acks, mtu 40.....
I changed everything in my regestry like they say and when i reboot and run the tweaktest I get the same thing everytime.
I dont know what I did or how I did it, but I dont know if my registry is dmaged coz the registry says I chenged it but when I go check at dslreports it says something else and I know there isnt anything wrong with their site/tests.
Anyone knows what the problem might b?
Thanx in advance. |
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Senior Forum Advisor
Group: Senior Advisor
Last Login: 6/28/2008 11:26 AM
Posts: 3,282, Visits: 803 |
| First things first, uninstall DrTCPIP.
Then take a TCP Analyzer test and post the results here.
Then use cablenut to tweak you interent connection, it is far superior to Dr. TCP.
Write your questions down on the back of a $20 dollar bill and send them to me.
j79zlr's tips and tweaks |
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Forum Moderator
Group: Moderators
Last Login: 6/23/2008 10:37 AM
Posts: 1,386, Visits: 681 |
| Welcome to TweakXP jaeger , do as j79zlr says. Just follow the thread at the top of this forum, it will give you a link to everything you need to know to maximize your connection. It also looks as if you have edited your reigstry improperly and really messed up some settings , don't worry, j79zlr and I will get you straight.
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Last Login: 8/24/2006 7:13 PM
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| k heres the result :
and I have cablenut installed, but do not dare to touch it  |
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Forum Moderator
Group: Moderators
Last Login: 6/23/2008 10:37 AM
Posts: 1,386, Visits: 681 |
| You have to copy and paste the results.
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Group: Forum Members
Last Login: 8/24/2006 7:13 PM
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TCP options string = 020405a00103030201010402 |
MTU = 1480
MTU is optimized for Windows XP PPoE DSL broadband. If not, consider raising MTU to 1500 for optimal throughput. |
MSS = 1440
MSS is optimized for Windows XP PPPoE DSL broadband. If not, consider raising MTU to 1500 for maximum throughput.
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Default Receive Window (RWIN) = 256960
RWIN Scaling (RFC1323) = 2 bits
Unscaled Receive Window = 64240
For optimum performance, consider changing RWIN to a multiple of MSS.
Other values for RWIN that might work well with your current MTU/MSS:
506880 (MSS x 44 * scale factor of 8)
253440 (MSS x 44 * scale factor of 4)
126720 (MSS x 44 * scale factor of 2)
63360 (MSS x 44) |
bandwidth * delay product:
Your RcvWindow limits you to: 10278.4 kbps (1284.8 KBytes/s) @ 200ms
Your RcvWindow limits you to: 4111.36 kbps (513.92 KBytes/s) @ 500ms |
MTU Discovery (RFC1191) = ON |
Time to live left = 113 hops
TTL value is ok. |
Timestamps (RFC1323) = OFF |
Selective Acknowledgements (RFC2018) = ON |
IP type of service field (RFC1349) = 00000000
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Forum Moderator
Group: Moderators
Last Login: 6/23/2008 10:37 AM
Posts: 1,386, Visits: 681 |
| OK did you read the Broadband Connection Tweaking thread in the Common Questions Forum? If not please do it will explain everything you need to know to optimize your connection. You might want to try the following settings in CableNut, but to fine tune them follow the instructions in the link I just gave you.
DefaultReceiveWindow = 192000
DefaultSendWindow = 16384
DisableAddressSharing = 1
InitialLargeBufferCount = 200
InitialMediumBufferCount = 480
InitialSmallBufferCount = 640
LargeBufferSize = 819200
MaxFastTransmit = 64000
MediumBufferSize = 150400
PriorityBoost = 0
SmallBufferSize = 12800
TransmitWorker = 32
FastSendDatagramThreshold = 4096
EnableFastRouteLookup = 1
EnablePMTUDiscovery = 1
IgnorePushBitsOnReceive = 0
GlobalMaxTcpWindowSize = 37440
MaxFreeTcbs = 8000
MaxHashTableSize = 16384
MaxNormLookupMemory = 5000000
SackOpts = 1
SynAttackProtect = 1
Tcp1323Opts = 0
TcpLogLevel = 1
TcpMaxDupAcks = 3
TcpMaxHalfOpen = 100
TcpMaxHalfRetried = 80
TcpRecvSegmentSize = 1440
TcpSendSegmentSize = 1440
TcpTimedWaitDelay = 30
TcpUseRFC1122UrgentPointer = 0
TcpWindowSize = 37440
MaxConnectionsPer1_0Server = 20
MaxConnectionsPerServer = 10
DefaultTTL = 64
DisableUserTOSSetting = 0
TcpMaxDataRetransmissions = 6
DefaultTOSValue = 90
These settings are based on your caps and a maximum anticipated latency of 200ms.
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