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Thread: can this be tweaked

  1. #1
    Junior Member
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    Feb 2009
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    can this be tweaked

    hi not been on for a while i have changed my broadband from bt to talktalk

    is there anyway of checking this and if i can do any thing to change it d-link dsl-270r router ty

    SpeedGuide.net TCP Analyzer Results
    Tested on: 01.10.2010 08:40
    IP address: 92.26.xxx.xx
    Client OS: Windows XP

    TCP options string: 020405700103030401010402
    MSS: 1392
    MTU: 1432
    TCP Window: 1045440 (NOT multiple of MSS)
    RWIN Scaling: 4 bits (2^4=16)
    Unscaled RWIN : 65340
    Recommended RWINs: 64032, 128064, 256128, 512256, 1024512
    BDP limit (200ms): 41818kbps (5227KBytes/s)
    BDP limit (500ms): 16727kbps (2091KBytes/s)
    MTU Discovery: ON
    TTL: 40
    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
    What speed did you pay to get?

    First, let's see the max MTU used by TalkTalk:

    TCP Optimizer:
    General Settings tab:
    Custom settings - check
    Modify All Network Adapters - uncheck
    network adapter selection - your NIC
    MTU - 1500
    TTL - 64
    TCP Receive Window - leave blank
    MTU Discovery - Yes
    Black Hole Detect - No
    Selective Acks - Yes
    Max Duplicate ACKs - 2
    TCP 1323 Options:
    Windows Scaling - unchecked
    Timestamps - uncheck

    Advanced Settings tab:
    Max Connections per Server - 10
    Max Connections per 1.0 Server - 10
    LocalPriority - 5
    Host Priority - 6
    DNSPriority - 7
    NetbtPriority - 8
    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

    Post a new TCP Analyzer report after reboot.
    "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
    Feb 2009
    Posts
    21
    Quote Originally Posted by trogers View Post
    What speed did you pay to get?

    First, let's see the max MTU used by TalkTalk:

    TCP Optimizer:
    General Settings tab:
    Custom settings - check
    Modify All Network Adapters - uncheck
    network adapter selection - your NIC
    MTU - 1500
    TTL - 64
    TCP Receive Window - leave blank
    MTU Discovery - Yes
    Black Hole Detect - No
    Selective Acks - Yes
    Max Duplicate ACKs - 2
    TCP 1323 Options:
    Windows Scaling - unchecked
    Timestamps - uncheck

    Advanced Settings tab:
    Max Connections per Server - 10
    Max Connections per 1.0 Server - 10
    LocalPriority - 5
    Host Priority - 6
    DNSPriority - 7
    NetbtPriority - 8
    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

    Post a new TCP Analyzer report after reboot.
    used the setting this is what i have

    SpeedGuide.net TCP Analyzer Results
    Tested on: 01.11.2010 08:58
    IP address: 84.13.xxx.xx
    Client OS: Windows XP

    TCP options string: 020405700103030401010402
    MSS: 1392
    MTU: 1432
    TCP Window: 1027840 (NOT multiple of MSS)
    RWIN Scaling: 4 bits (2^4=16)
    Unscaled RWIN : 64240
    Recommended RWINs: 64032, 128064, 256128, 512256, 1024512
    BDP limit (200ms): 41114kbps (5139KBytes/s)
    BDP limit (500ms): 16445kbps (2056KBytes/s)
    MTU Discovery: ON
    TTL: 40
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)

  4. #4
    Elite Member trogers's Avatar
    Join Date
    Jan 2005
    Location
    Bangkok, Thailand
    Posts
    12,323
    What speed did you pay to get?
    "Contentment is not the fulfillment of what you want, but is the realisation of how much you already have" - anon

  5. #5
    Junior Member
    Join Date
    Feb 2009
    Posts
    21
    Quote Originally Posted by trogers View Post
    What speed did you pay to get?

    im on adsl+2 anything upto 24mb

    Downstream
    Attenuation 39dB
    Approx
    Line Length 2.8km

    dslMAX 7104 kbps IP Profile 6000kbps

    adsl2+ (21CN) 9568kbps IP Profile 8000kbps

    adsl2+ (LLU) 9568 kbps Throughput 8468 kbps

    wish i was getting nr the 8000 kbps mark

  6. #6
    Elite Member trogers's Avatar
    Join Date
    Jan 2005
    Location
    Bangkok, Thailand
    Posts
    12,323
    TCP Optimizer:
    General Settings tab:
    Custom settings - check
    Modify All Network Adapters - uncheck
    network adapter selection - your NIC
    MTU - 1432
    TTL - 64
    TCP Receive Window - 256128
    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 - 10
    LocalPriority - 5
    Host Priority - 6
    DNSPriority - 7
    NetbtPriority - 8
    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

    After reboot, test speed at a few nearby servers of www.speedtest.net
    "Contentment is not the fulfillment of what you want, but is the realisation of how much you already have" - anon

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