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Thread: pls help me Tweak my Comcast speed!!!!

  1. #1
    Junior Member
    Join Date
    Mar 2006

    pls help me Tweak my Comcast speed!!!!

    Okay people, i need help in two things:- frist of all, i am using motorola modem SB5120 with comcast, it seems like my internet connection last year was Faster to compare my speed as of now. And i called my internet provider to know why. They checked my modem through their systiem and they told me that my internet service that i am paying for is 6 Mg and, also told me that nothing is wrong with my modem. I have done everything and still have the same problem.

    A). please , i need help to tweak my internet service to be more faster.

    B). Another problem i have that bugs me a lot is that it seems like any time i tweaked my internet speed, and check the download speed it looks good. But anytime i went to internet options to delete cookies, temporary files, etc or even reboot my seems like internet speed drop at it initial speed. Please, is there anyway i can tweak my internet speed to be the same speed even if i reboot my computer or delete cookies, and temporary
    files..,etc...? TCP Analyzer Results
    Tested on: 01.08.2007 19:55
    IP address:

    TCP options string: 020405b40103030201010402
    MSS: 1460
    MTU: 1500
    TCP Window: 256960 (multiple of MSS)
    RWIN Scaling: 2
    Unscaled RWIN : 64240
    Reccomended RWINs: 64240, 128480, 256960, 513920
    BDP limit (200ms): 10278kbps (1285KBytes/s)
    BDP limit (500ms): 4111kbps (514KBytes/s)
    MTU Discovery: ON
    TTL: 49
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)

  2. #2
    Elite Member trogers's Avatar
    Join Date
    Jan 2005
    Bangkok, Thailand
    Use the following with TCP Optimizer:

    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 - 2
    TCP 1323 Options:
    Windows Scaling - checked
    Timestamps - uncheck

    Advanced Settings tab:
    Max Connections per Server - 10
    Max Connections per 1.0 Server - 20
    LocalPriority - 1
    Host Priority - 1
    DNSPriority - 1
    NetbtPriority - 1
    Lan Browsing speedup - optimized
    QoS: NonBestEffortLimit - 0
    ToS: DisableUserTOSSetting - 0
    ToS: DefaultTOSValue - 80
    MaxNegativeCacheTtl - 0
    NetFailureCacheTime - 0
    NegativeSOACache Time - 0
    LAN Request Buffer Size - 32768
    Then select "Apply Changes" and reboot to take effect

    Your second point is not a problem. You are supposed to clear your browser cache before every speedtest to ensure accurate results.

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