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Thread: TCP Analyzer Results

  1. #1
    Junior Member
    Join Date
    Nov 2007
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    2

    TCP Analyzer Results

    Hi, I was wondering if one of you experts could look at my results to see if everything looks okay. Our main problem is a frequent dropped connection where it seems like the DSL just locks up and hangs. We re-boot the modem and this it is okay for anywhere from a day to 10 minutes:

    SpeedGuide.net TCP Analyzer Results
    Tested on: 11.12.2007 20:40
    IP address: 67.140.x.xxx

    TCP options string: 020405ac0103030201010402
    MSS: 1452
    MTU: 1492
    TCP Window: 17424 (multiple of MSS)
    RWIN Scaling: 2
    Unscaled RWIN : 4356
    Reccomended RWINs: 63888, 127776, 255552, 511104
    BDP limit (200ms): 697kbps (87KBytes/s)
    BDP limit (500ms): 279kbps (35KBytes/s)
    MTU Discovery: ON
    TTL: 111
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)



    SpeedGuide.net Speed Test Results
    1230 kbps down (~1.23 Mbps, 150 KB/s)↓
    318 kbps up (~0.32 Mbps, 39 KB/s)↑
    2048 KB downloaded in 13.639 seconds
    500 KB uploaded in 12.899 seconds
    Tested on: 2007.11.12 20:43 EST
    Tested from: 123facts.com
    Test Link: http://www.speedguide.net/speedtest/...t=GW1ZAKIT6LCA
    Latency: 67ms
    Provider: ip.alltel.net
    Location: Jefferson, PA, US


    Thanks,
    Brian

  2. #2
    Elite Member trogers's Avatar
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    Jan 2005
    Location
    Bangkok, Thailand
    Posts
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    What speed did you pay your ISP to give you?
    "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
    Nov 2007
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    I think it is supposed to be around 1.5Mb I'm not concerned with speed as much as the dropped connections. It works fine when connected. I did talk to the ISP several months ago and they said I am getting the fastest connection possible for my location.

  4. #4
    Elite Member trogers's Avatar
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    Jan 2005
    Location
    Bangkok, Thailand
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    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 1492
    TTL - 64
    TCP Receive Window - 31944
    MTU Discovery - Yes
    Black Hole Detect - No
    Selective Acks - Yes
    Max Duplicate ACKs - 2
    TCP 1323 Options:
    Windows Scaling - uncheck
    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
    "Contentment is not the fulfillment of what you want, but is the realisation of how much you already have" - anon

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