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Thread: ADSL 3 MB I need help ! Tweaking

  1. #1
    Junior Member
    Join Date
    Jul 2013
    Posts
    3

    ADSL 3 MB I need help ! Tweaking

    My Analyze:
    TCP options string = 0204057001010402
    MTU = 1432
    MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput. If you are using a router, it could be limiting your MTU regardless of Registry settings.
    MSS = 1392
    MSS is not optimized for broadband. Consider increasing your MTU value.
    Default TCP Receive Window (RWIN) = 65424
    RWIN Scaling (RFC1323) = 0 bits
    Unscaled TCP Receive Window = 65424

    In Windows 7, unless "TCP/IP Auto-Tuning" is disabled, only the Current TCP Window is displayed. Use the latest TCP Optimizer for tweaking.
    You seem to be using Google Chrome. Note that Chrome can modify the TCP Window for sockets it creates under some OSes, and therefore servers may not get your correct RWIN value. You may want to test with a different browser. FAQ
    RWIN is a multiple of MSS
    Other RWIN values that might work well with your current MTU/MSS:
    64032 (up to 2 Mbit lines, depending on latency. MSS * 46)
    128064 (1-5 Mbit lines, depending on latency. MSS * 46 * 2)
    256128 (2-14 Mbit lines, depending on latency. MSS * 46 * 2^2)
    512256 (8-30 Mbit lines, depending on latency. MSS * 46 * 2^3)
    1024512 (25-60 Mbit lines depending on latency. MSS * 46 * 2^4)
    bandwidth * delay product (Note this is not a speed test):

    Your TCP Window limits you to: 2617 kbps (327 KBytes/s) @ 200ms
    Your TCP Window limits you to: 1047 kbps (131 KBytes/s) @ 500ms
    MTU Discovery (RFC1191) = ON
    Time to live left = 188 hops
    TTL value is ok.
    Timestamps (RFC1323) = OFF
    Selective Acknowledgements (RFC2018) = ON
    IP type of service field (RFC1349) = 00000000 (0)





    ę SpeedGuide.net TCP Analyzer Results Ľ
    Tested on: 2014.10.08 15:02
    IP address: 190.31.xx.xx
    Client OS/browser: Windows 7 (Chrome 37.0.2062.124)

    TCP options string: 0204057001010402
    MSS: 1392
    MTU: 1432
    TCP Window: 65424 (multiple of MSS)
    RWIN Scaling: 0 bits
    Unscaled RWIN : 65424
    Recommended RWINs: 64032, 128064, 256128, 512256, 1024512
    BDP limit (200ms): 2617kbps (327KBytes/s)
    BDP limit (500ms): 1047kbps (131KBytes/s)
    MTU Discovery: ON
    TTL: 188
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)


    I need change or all clear ?

  2. #2
    Regular Member KEiGHT's Avatar
    Join Date
    Feb 2014
    Location
    Romania
    Posts
    132
    netsh int tcp set global autotuninglevel=highlyrestricted
    netsh int tcp set heuristics wsh=disabled
    netsh int tcp set global congestionprovider=ctcp
    Every man has his destiny.

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