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Thread: Alright so I want to try to tweak my connection... can anyone help me out plz thanks

  1. #1
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    Alright so I want to try to tweak my connection... can anyone help me out plz thanks

    I am on a wireless network, the connection is a 7mb down/1mb up connection it is cable internet. My wireless router is a D-Link DI-524. I used to get around 2000kbps on a speakeasy bandwidth test, then I tried the tcp/ip optimizer tool and I just set it to auto optimize or whatever the one that does the best settings automatically for you, now it is at around 5000-5700kbps on the speakeasy test. So this is a huge improvement, but I was wondering if this is the max I can get or could I reach like 6500kbps? I ran that test for the analyzer.

    TCP properties for IP = xx.xx.xxx.xxx ()
    Browser/OS = Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.5) Gecko/20060719 Firefox/1.5.0.5
    Notes: Read the Analyzer FAQ if the above is not your IP address.
    TCP options string = 020405b40103030301010402
    MTU = 1500
    MTU is fully optimized for broadband.
    MSS = 1460
    Maximum useful data in each packet = 1460, which equals MSS.
    Default TCP Receive Window (RWIN) = 513920
    RWIN Scaling (RFC1323) = 3 bits (scale factor of 6)
    Unscaled TCP Receive Window = 64240

    RWIN is a multiple of MSS
    Other RWIN values that might work well with your current MTU/MSS:
    513920 (MSS x 44 * scale factor of 8) <-- current value
    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 TCP Window limits you to: 20556.8 kbps (2569.6 KBytes/s) @ 200ms
    Your TCP Window limits you to: 8222.72 kbps (1027.84 KBytes/s) @ 500ms
    MTU Discovery (RFC1191) = ON
    Time to live left = 57 hops
    TTL value is ok.
    Timestamps (RFC1323) = OFF
    Selective Acknowledgements (RFC2018) = ON
    IP type of service field (RFC1349) = 00000000 (0)

    Thanks a lot for reading this, that tcp/ip tool helped a lot, but maybe manual setting instead of automatic could be even better? Thanks

  2. #2
    Dr Tweak mnosteele52's Avatar
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    Download the TCP Optimizer and try the following settings.

    General Settings tab:

    Custom settings - check
    Modify All Network Adapters - check
    network adapter selection - your NIC
    MTU - 1500
    TTL - 64
    TCP Receive Window - 128480
    MTU Discovery - Yes
    Black Hole Detect - No
    Selective Acks - Yes
    Max Duplicate ACKs - 3
    TCP 1323 Options:
    Windows Scaling - check
    Timestamps - uncheck

    Advanced Settings tab:

    Max Connections per Server - 10
    Max Connections per 1.0 Server - 20
    LocalPriority - 5
    Host Priority - 6
    DNSPriority - 7
    NetbtPriority - 8
    Lan Browsing speedup - optimized
    QoS: NonBestEffortLimit - 0
    ToS: DisableUserTOSSetting - 0
    ToS: DefaultTOSValue - 92
    MaxNegativeCacheTtl - 0
    NetFailureCacheTime - 0
    NegativeSOACache Time - 0
    LAN Request Buffer Size - 32768

    Then select "Apply Changes" and reboot to take effect.

    VERY IMPORTANT TO DO THE FOLLOWING:

    1. Under your LAN connection - properties - general tab, uninstall all the protocols there that you do not need. For a stand alone pc all you need is Internet Protocol TCP/IP.

    2. Open IE and select tools - internet options - connections - LAN settings, make sure NOTHING there is checked.

    3. ALWAYS connect your modem via ethernet (NIC) and make sure you have the latest drivers for your NIC from the manufacturer and set your duplex mode to "auto". If you are using a router make sure you have the latest firmware.

    4. Clean out your temporary internet files with CrapCleaner.

    5. Power cycle your modem i.e. unplug it for at least 15 seconds.

    6. Download, update and scan with SpyBot S&D 1.4, Ad-Aware SE 1.06 & ewido anti-spyware 4.0 to remove any spyware then install and update SpywareBlaster 3.5.1 to stay spyware FREE.

    7. Make sure you do the faster web page tweak in our Help & Tips page.

    8. If you aren't currently using a firewall then I suggest you install Kerio Personal Firewall 2.1.5, it's FREE and uses next to no resources.

    9. Do a FREE online virus scan from BitDefender Online Scan and remove all that it finds.

    10. Make sure you have ALL of the latest Windows Updates.

    11. Just an FYI, if you are using Zone Alarm for a firewall it can noticeably drop your speeds.

    Help & Tips broadbandnuts.com - CableNut Tcp/Ip Analyzer TCPOptimizer drtweak.com - Dr Tweak

  3. #3
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    TCP properties for IP = xx.xx.xxx.xxx ()
    Browser/OS = Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.5) Gecko/20060719 Firefox/1.5.0.5
    Notes: Read the Analyzer FAQ if the above is not your IP address.
    TCP options string = 020405b40103030101010402
    MTU = 1500
    MTU is fully optimized for broadband.
    MSS = 1460
    Maximum useful data in each packet = 1460, which equals MSS.
    Default TCP Receive Window (RWIN) = 128480
    RWIN Scaling (RFC1323) = 1 bits (scale factor of 2)
    Unscaled TCP Receive Window = 64240

    RWIN is a multiple of MSS
    Other RWIN values that might work well with your current MTU/MSS:
    513920 (MSS x 44 * scale factor of 8)
    256960 (MSS x 44 * scale factor of 4)
    128480 (MSS x 44 * scale factor of 2) <-- current value
    64240 (MSS x 44)
    bandwidth * delay product (Note this is not a speed test):

    Your TCP Window limits you to: 5139.2 kbps (642.4 KBytes/s) @ 200ms
    Your TCP Window limits you to: 2055.68 kbps (256.96 KBytes/s) @ 500ms
    MTU Discovery (RFC1191) = ON
    Time to live left = 57 hops
    TTL value is ok.
    Timestamps (RFC1323) = OFF
    Selective Acknowledgements (RFC2018) = ON
    IP type of service field (RFC1349) = 00000000 (0)

    now I get that, the TCP Window limit part is much lower... is this good or bad?
    Last edited by rappa; 08-02-06 at 09:10 PM.

  4. #4
    Dr Tweak mnosteele52's Avatar
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    How is your speed now?

    Help & Tips broadbandnuts.com - CableNut Tcp/Ip Analyzer TCPOptimizer drtweak.com - Dr Tweak

  5. #5
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    it's the same

  6. #6
    Dr Tweak mnosteele52's Avatar
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    OK, try these changes:

    TCP Receive Window - 256960

    Help & Tips broadbandnuts.com - CableNut Tcp/Ip Analyzer TCPOptimizer drtweak.com - Dr Tweak

  7. #7
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    Yes it helped thanks a lot. I get 6410 now, that's great.

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