Results 1 to 7 of 7

Thread: Could use some help with TCP Optimizer settings

  1. #1
    Junior Member
    Join Date
    Aug 2006
    Posts
    2

    Could use some help with TCP Optimizer settings

    Hey there, I have gone through most of the setting tweaks mentioned in previous threads (register changes, etc), and I'm looking to try and improve my connectivity with TCP Optimizer or Cablenut. I tried "Optimal Settings" with TCP Optimizer once, but it seemed to have reduced my speed slightly instead, from a speedtest. My info :

    I''m on an ADSL2+ (PPPoA) connection, ISP is Optus (Australia) advertised speed of 20000/1024. Im running an XP SP2 as my OS.

    TCP/IP Analyzer Test
    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 = 120 hops
    TTL value is ok.

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

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

    Regards

  2. #2
    Moderator YeOldeStonecat's Avatar
    Join Date
    Jan 2001
    Location
    Somewhere along the shoreline in New England
    Posts
    50,869
    When you tried optimal...what did it set your RWIN to? I might try both 256960 and 513920 and see which yields better results.

    20/1 megs? Wow...lucky!
    MORNING WOOD Lumber Company
    Guinness for Strength!!!

  3. #3
    Dr Tweak mnosteele52's Avatar
    Join Date
    Jul 2001
    Location
    Chesapeake, VA
    Posts
    11,912
    Hi Sushi_x47, try the following settings:

    General Settings tab:

    Custom settings - check
    Modify All Network Adapters - check
    network adapter selection - your NIC
    MTU - 1500
    TTL - 64
    TCP Receive Window - 256960
    MTU Discovery - Yes
    Black Hole Detect - No
    Selective Acks - Yes
    Max Duplicate ACKs - 3
    TCP 1323 Options:
    Windows Scaling - check
    Timestamps - uncheck

    Advanced Settings tab:

    Max Connections per Server - 10
    Max Connections per 1.0 Server - 20
    LocalPriority - 5
    Host Priority - 6
    DNSPriority - 7
    NetbtPriority - 8
    Lan Browsing speedup - optimized
    QoS: NonBestEffortLimit - 0
    ToS: DisableUserTOSSetting - 0
    ToS: DefaultTOSValue - 92
    MaxNegativeCacheTtl - 0
    NetFailureCacheTime - 0
    NegativeSOACache Time - 0
    LAN Request Buffer Size - 32768

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

    VERY IMPORTANT TO DO THE FOLLOWING:

    1. Under your LAN connection - properties - general tab, uninstall all the protocols there that you do not need. For a stand alone pc all you need is Internet Protocol TCP/IP.

    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.

    4. Clean out your temporary internet files with CrapCleaner.

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

    6. Download, update and scan with SpyBot S&D 1.4, Ad-Aware SE 1.06, ewido anti-spyware 4.0 & SUPERAntiSpyware to remove any spyware then install and update SpywareBlaster 3.5.1 to stay spyware FREE.

    7. If you aren't currently using a firewall then I suggest you install Kerio Personal Firewall 2.1.5, it's FREE and uses next to no resources.

    8. Do a FREE online virus scan from BitDefender Online Scan and remove all that it finds.

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

    10. Just an FYI, if you are using Zone Alarm for a firewall it can noticeably drop your speeds.


  4. #4
    Junior Member
    Join Date
    Aug 2006
    Posts
    2
    Thanks for the replies and suggestions guys, I will definately get around to testing it out, at work atm so will post again later in the day once I get home. Cheers

    Regards

  5. #5

    need help also

    .
    Last edited by segiterrus; 11-15-08 at 04:50 PM. Reason: added details

  6. #6
    Hi guys, anyone know the best settings for a 100/10 connection? i'm on win 7 x64 and optimizer 3.0.6

  7. #7
    Junior Member
    Join Date
    May 2012
    Posts
    2

    Question Kindly Suugest best tcp optimizer & registry tweaks to get fast internet

    I have vodafone 3.6mbps modem I want get fast internet so kindly suugest best tcp\ip settings for tcp optimizer and also registery tweaks

    current iam getting 218kbps which is equal to 218/8=27.5kbps my connection is=Edge os:windows 7 x64

    these are my modem

    TCP options string = 020405b40103030201010402
    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) = 17520
    RWIN Scaling (RFC1323) = 2 bits (scale factor: 2^2=4)
    RWIN is a multiple of MSS
    Other RWIN values that might work well with your current MTU/MSS:
    64240 (up to 2 Mbit lines, depending on latency. MSS * 44)
    128480 (1-5 Mbit lines, depending on latency. MSS * 44 * 2)
    256960 (2-14 Mbit lines, depending on latency. MSS * 44 * 2^2)
    513920 (8-30 Mbit lines, depending on latency. MSS * 44 * 2^3)
    1027840 (25-60 Mbit lines depending on latency. MSS * 44 * 2^4)
    bandwidth * delay product (Note this is not a speed test):

    Your TCP Window limits you to: 701 kbps (88 KBytes/s) @ 200ms
    Your TCP Window limits you to: 280 kbps (35 KBytes/s) @ 500ms
    Consider increasing your RWIN value to optimize TCP/IP for broadband.
    MTU Discovery (RFC1191) = ON
    Time to live left = 117 hops
    TTL value is ok.
    Timestamps (RFC1323) = OFF
    Selective Acknowledgements (RFC2018) = ON
    IP type of service field (RFC1349) = 00000000 (0)
    Unscaled TCP Receive Window = 4380

    kindly reply with best tcp settings thanks in advance

Similar Threads

  1. TCP Optimizer settings vs TuneUp Utilities ?
    By Qui-Gon John in forum Broadband Tweaks Help
    Replies: 4
    Last Post: 05-05-06, 03:37 PM
  2. TCP optimizer settings
    By plumbob in forum Broadband Tweaks Help
    Replies: 2
    Last Post: 04-09-06, 07:00 PM
  3. Uploads faster then downloads
    By mailman30 in forum Broadband Tweaks Help
    Replies: 40
    Last Post: 02-23-06, 10:03 PM
  4. A "Rough" Guide To PC Specs For BF2
    By Illini25 in forum Gaming
    Replies: 16
    Last Post: 06-08-05, 06:08 PM
  5. mccoffee, please help with TCP Optimizer settings!
    By Detour in forum Broadband Tweaks Help
    Replies: 7
    Last Post: 04-03-05, 12:46 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •