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Thread: Used TCP Optimizer and now I get lag spikes

  1. #1
    Junior Member
    Join Date
    Nov 2011

    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? TCP Analyzer Results
    Tested on: 11.08.2011 08:59
    IP address:
    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
    Join Date
    May 1999
    Jacksonville, Florida, United States
    Blog Entries
    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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