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Thread: Recommended Settings Cable 5Mbps

  1. #1
    Junior Member
    Join Date
    Mar 2005
    Posts
    8

    Recommended Settings Cable 5Mbps

    I have an Israeli Cable Modem 5Mbps/1Mbps, which i settings i should use on the TCP Optimizer, i remember it helped me back then with my ADSL, but about cable, i have no idea.

    Small detail, the MTU is locked to 1450 for cable users here.

    SpeedGuide.net TCP Analyzer Results
    Tested on: 08.12.2007 02:24
    IP address: 87.70.xx.xxx

    TCP options string: 020405830103030201010402
    MSS: 1411
    MTU: 1451
    TCP Window: 258212 (NOT multiple of MSS)
    RWIN Scaling: 2
    Unscaled RWIN : 64553
    Reccomended RWINs: 64906, 129812, 259624, 519248
    BDP limit (200ms): 10328kbps (1291KBytes/s)
    BDP limit (500ms): 4131kbps (516KBytes/s)
    MTU Discovery: ON
    TTL: 44
    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
    Use the following with TCP Optimizer and see if your MTU sets to 1500:

    General Settings tab:
    Custom settings - check
    Modify All Network Adapters - check
    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 - 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

    After reboot, post a new TCP Analyzer report.

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