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Thread: My TCP/IP Analyzer Results

  1. #1
    Junior Member
    Join Date
    Oct 2006
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    My TCP/IP Analyzer Results

    I pasted the results of my TCP/IP Analyzer - just wanted some feedback. My Cable Internet access has been running SLOW lately, and I can't get any help.

    Thanks!
    ------------------------------------------------------------------------

    SpeedGuide.net TCP/IP Analyzer


    TCP properties for IP = 69.175.14.33 ()
    Browser/OS = Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)
    Notes: Read the Analyzer FAQ if the above is not your IP address.

    TCP options string = 020405b401010402

    MTU = 1500
    MTU is fully optimized for broadband.

    MSS = 1460
    Maximum useful data in each packet = 1460, which equals MSS.

    Default TCP Receive Window (RWIN) = 65535
    RWIN Scaling (RFC1323) = 0 bits
    Unscaled TCP Receive Window = 65535

    Note: TCP 1323 Options need to be enabled for RWIN over 2^16 (65535). Windows 9x might also need the MS Vtcp386 fix.
    For optimum performance, consider changing RWIN to a multiple of MSS.
    Other RWIN values that might work well with your current MTU/MSS:
    513920 (MSS x 44 * scale factor of 8)
    256960 (MSS x 44 * scale factor of 4)
    128480 (MSS x 44 * scale factor of 2)
    64240 (MSS x 44)

    bandwidth * delay product (Note this is not a speed test):

    Your TCP Window limits you to: 2621.4 kbps (327.675 KBytes/s) @ 200ms
    Your TCP Window limits you to: 1048.56 kbps (131.07 KBytes/s) @ 500ms

    MTU Discovery (RFC1191) = ON

    Time to live left = 118 hops
    TTL value is ok.

    Timestamps (RFC1323) = OFF
    Selective Acknowledgements (RFC2018) = ON

    IP type of service field (RFC1349) = 00000000 (0)

  2. #2
    Elite Member trogers's Avatar
    Join Date
    Jan 2005
    Location
    Bangkok, Thailand
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    Quote Originally Posted by ragnar35
    Default TCP Receive Window (RWIN) = 65535
    RWIN Scaling (RFC1323) = 0 bits
    Unscaled TCP Receive Window = 65535
    This shows your comp has not been tweaked.

    Read thru this thread and post again at the Broadband Tweak section:

    http://forums.speedguide.net/showthread.php?t=73799

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