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Thread: can you help me tweaking this?

  1. #1
    Junior Member
    Join Date
    Oct 2005

    can you help me tweaking this?

    I just used the analizer and this's what i got, is there anything i should change here? (i have speed 512):

    TCP options string = 020405a00103030201010402
    MTU = 1480
    MTU is optimized for Windows XP PPoE DSL broadband. If not, consider raising MTU to 1500 for optimal throughput.
    MSS = 1440
    MSS is optimized for Windows XP PPPoE DSL broadband. If not, consider raising MTU to 1500 for maximum throughput.

    Default Receive Window (RWIN) = 256320
    RWIN Scaling (RFC1323) = 2 bits (scale factor of 4)
    Unscaled Receive Window = 64080

    RWIN is a multiple of MSS
    Other values for RWIN that might work well with your current MTU/MSS:
    506880 (MSS x 44 * scale factor of 8)
    253440 (MSS x 44 * scale factor of 4)
    126720 (MSS x 44 * scale factor of 2)
    63360 (MSS x 44)
    bandwidth * delay product (Note this is not a speed test):

    Your RcvWindow limits you to: 10252.8 kbps (1281.6 KBytes/s) @ 200ms
    Your RcvWindow limits you to: 4101.12 kbps (512.64 KBytes/s) @ 500ms
    MTU Discovery (RFC1191) = ON
    Time to live left = 53 hops

    TTL value is ok.
    Timestamps (RFC1323) = OFF
    Selective Acknowledgements (RFC2018) = ON
    IP type of service field (RFC1349) = 00000000 (0)


  2. #2
    Dr Tweak mnosteele52's Avatar
    Join Date
    Jul 2001
    Chesapeake, VA
    Download the TCP Optimizer and try the following settings.

    General Settings tab:

    Custom settings - check
    Modify All Network Adapters - check
    network adapter selection - your NIC
    MTU - 1480
    TTL - 128
    TCP Receive Window - 17280
    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 - 8
    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 - 240
    MaxNegativeCacheTtl - 0
    NetFailureCacheTime - 0
    NegativeSOACache Time - 0
    LAN Request Buffer Size - 32768

    Then select "Apply Changes" and reboot to take effect.


    1. Under your LAN connection - properties - general tab, uninstall all the protocols there that you do not need.

    2. Open IE and select tools - internet options - connections - LAN settings, make sure NOTHING there is checked.

    3. ALWAYS connect your modem via ethernet (NIC) and make sure you have the latest drivers for your NIC from the manufacturer and set your duplex mode to "auto". If you are using a router make sure you have the latest firmware. DO NOT CONNECT YOUR MODEM VIA USB!!

    4. Clean out your temporary internet files with CrapCleaner.

    5. Power cycle your modem i.e. unplug it for atleast 15 seconds.

    6. Download, update and scan with SpyBot S&D 1.4 EXACTLY as I explain HERE & Ad-Aware SE 1.06 EXACTLY as I explain HERE to remove any spyware then install and update SpywareBlaster 3.4 to stay spyware FREE. YOU MUST USE BOTH AD AWARE & SPYBOT TO ENSURE YOU ARE SPYWARE FREE SINCE ONE FINDS WHAT THE OTHER MISSES. If these 2 programs find a lot of things then please post a HijackThis 1.99.1 log for us to look at.

    7. If you have Zone Alarm as a firewall uninstall it and search your pc for the left over files.

    8. Install Kerio Personal Firewall 2.1.5, it's FREE.

    9. Do a FREE online virus scan from Kaspersky Webscan, make sure to check the option to use the EXTENDED DATABASE.

    10. Make sure you have ALL of the latest Windows Updates.

    Help & Tips - CableNut Tcp/Ip Analyzer TCPOptimizer - Dr Tweak

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