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Thread: TCP Optimizer Tweak Help

  1. #1
    Junior Member
    Join Date
    Oct 2007
    Posts
    1

    TCP Optimizer Tweak Help

    DSL, no PPPoE
    Roadrunner, 7mbps advertised speed

    SpeedGuide.net TCP Analyzer Results
    Tested on: 10.28.2007 13:45
    IP address: 76.187.xx.xxx

    TCP options string: 020405b40103030101010402
    MSS: 1460
    MTU: 1500
    TCP Window: 128480 (multiple of MSS)
    RWIN Scaling: 1
    Unscaled RWIN : 64240
    Reccomended RWINs: 64240, 128480, 256960, 513920
    BDP limit (200ms): 5139kbps (642KBytes/s)
    BDP limit (500ms): 2056kbps (257KBytes/s)
    MTU Discovery: ON
    TTL: 48
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)

    running on Windows XP

    Thanks in advanced~

  2. #2
    Elite Member trogers's Avatar
    Join Date
    Jan 2005
    Location
    Bangkok, Thailand
    Posts
    12,323
    Try 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 - 256960
    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

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