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Thread: Used TCP Optimizer and now I get lag spikes

  1. #1
    Junior Member
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    Nov 2011
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    Used TCP Optimizer and now I get lag spikes

    Ever since I used TC Optimizer my connection has remained at a low ping but there are now lag spikes in games which cause problems.

    Any idea why this might be?

    I simply used optimal settings on all adapters. My download speed is 30mbps and that is what I set the slider to.

    Does this sometimes happen on some systems? Is there a usual culprit or reason?


    SpeedGuide.net TCP Analyzer Results
    Tested on: 11.08.2011 08:59
    IP address: 82.42.xxx.xx
    Client OS: Windows 7

    TCP options string: 020405ac0103030801010402
    MSS: 1452
    MTU: 1492
    TCP Window: 66560 (NOT multiple of MSS)
    RWIN Scaling: 8 bits (2^8=256)
    Unscaled RWIN : 260
    Recommended RWINs: 63888, 127776, 255552, 511104, 1022208
    BDP limit (200ms): 2662kbps (333KBytes/s)
    BDP limit (500ms): 1065kbps (133KBytes/s)
    MTU Discovery: ON
    TTL: 50
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)
    Last edited by mattavich; 11-08-11 at 08:08 AM.

  2. #2
    Administrator Philip's Avatar
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    Lag spikes are usually attributed to packet loss and connection problems, such as congestion, and could be hard to track. Do your traceroutes look normal ?

    Excessive buffering may play some minor role, however, this should not apply to Windows 7 with fast recovery algorithms and TCP Window auto-tuning. What game ? Have you tried disabling Nagling (advanced tab in the Optimizer). Does reverting the settings to the Windows defaults have any effect on this issue ?

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