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Thread: Sympatico Giving it All ?

  1. #1
    Regular Member EdTo's Avatar
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    Sympatico Giving it All ?

    I recently made a compliant to Sympatico's corporate offices and one of their VPs got into my case and this is the result. They re did my profile 3 times since Friday afternoon. I know this the max they can offer on DSLAM technology of 5megs down and 800kbs up. What do you guys think ?

    Since I requested for them for better upload speed they increased from 512kbs to 800kbs and now 862kbs, but download speed suffered a little from 4.3megs to 4megs now.



    Last edited by EdTo; 05-07-07 at 05:20 PM.

  2. #2
    Elite Member trogers's Avatar
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    Post your TCP Analyzer report.

  3. #3
    Regular Member EdTo's Avatar
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    SpeedGuide.net TCP Analyzer Results
    Tested on: 05.07.2007 23:29
    IP address: xx.xxx.xxx.xxx

    TCP options string: 020405a00103030201010402
    MSS: 1440
    MTU: 1480
    TCP Window: 253440 (multiple of MSS)
    RWIN Scaling: 2
    Unscaled RWIN : 63360
    Reccomended RWINs: 63360, 126720, 253440, 506880
    BDP limit (200ms): 10138kbps (1267KBytes/s)
    BDP limit (500ms): 4055kbps (507KBytes/s)
    MTU Discovery: ON
    TTL: 47
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)

  4. #4
    Elite Member trogers's Avatar
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    Try bringing down your RWIN a notch with the following:

    General Settings tab:
    Custom settings - check
    Modify All Network Adapters - check
    network adapter selection - your NIC
    MTU 1480
    TTL - 64
    TCP Receive Window - 126720
    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

  5. #5
    Regular Member EdTo's Avatar
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    A bit better on upload and download on a different server

    SpeedGuide.net TCP Analyzer Results
    Tested on: 05.08.2007 00:35
    IP address: xx.xxx.xxx.xx

    TCP options string: 020405a00103030101010402
    MSS: 1440
    MTU: 1480
    TCP Window: 126720 (multiple of MSS)
    RWIN Scaling: 1
    Unscaled RWIN : 63360
    Reccomended RWINs: 63360, 126720, 253440, 506880
    BDP limit (200ms): 5069kbps (634KBytes/s)
    BDP limit (500ms): 2028kbps (253KBytes/s)
    MTU Discovery: ON
    TTL: 47
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)



    Last edited by EdTo; 05-08-07 at 01:04 AM.

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