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Thread: Slow DL speeds and (perhaps) packet loss while playing games

  1. #1
    Junior Member
    Join Date
    Mar 2003
    Location
    Belgium
    Posts
    12

    Slow DL speeds and (perhaps) packet loss while playing games

    Help me solve my problem please.

    I'm currently paying for 4MB/512 Kb PpoE DSL but i cannot get those advertised speeds.

    Furthermore, when playing online games, such as World of Wacraft, and despite a really low latency (15-20 ms), i get some kind of action delay/lag.

    I'm using a D-link DGL4300 with QoS enabled/firewall disabled, if that can help.

    Thank you.



    SpeedGuide.net TCP Analyzer Results
    Tested on: 06.15.2008 22:17
    IP address: 91.177.xx.xx

    TCP options string: 020405ac0103030001010402
    MSS: 1452
    MTU: 1492
    TCP Window: 63888 (multiple of MSS)
    RWIN Scaling: 0
    Unscaled RWIN : 63888
    Reccomended RWINs: 63888, 127776, 255552, 511104
    BDP limit (200ms): 2556kbps (319KBytes/s)
    BDP limit (500ms): 1022kbps (128KBytes/s)
    MTU Discovery: ON
    TTL: 41
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)

  2. #2
    Elite Member trogers's Avatar
    Join Date
    Jan 2005
    Location
    Bangkok, Thailand
    Posts
    12,323
    Log into your modem and see what line speed it is getting.
    "Contentment is not the fulfillment of what you want, but is the realisation of how much you already have" - anon

  3. #3
    Junior Member
    Join Date
    Mar 2003
    Location
    Belgium
    Posts
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    4640 / 512

  4. #4
    SG Enthusiast Rollingstone's Avatar
    Join Date
    Jan 2008
    Location
    HoChiMinh, Vietnam
    Posts
    3,161
    Try the following with TCP Optimizer:

    General Settings tab:
    Custom settings - check
    Modify All Network Adapters - check
    network adapter selection - your NIC
    MTU 1492
    TTL - 64
    TCP Receive Window - 127776
    MTU Discovery - Yes
    Black Hole Detect - No
    Selective Acks - Yes
    Max Duplicate ACKs - 2
    TCP 1323 Options:
    Windows Scaling - check
    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
    Firefox Extreme Speed Edition

    What makes you: "...waking up in the morning so excited about & wanna FLY out of the door ?"

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