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Network Tuning in Mavericks

This is a discussion on Network Tuning in Mavericks within the OS X and OS X Apps forums, part of the Software MUG - Troubleshooting and Discussion category; Just sharing with you guys the benefits of network tuning: 1. At least 90% of your subscribed speed. Most of ...

  1. #1
    Mac User mark143's Avatar
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    Default Network Tuning in Mavericks



    Just sharing with you guys the benefits of network tuning:

    1. At least 90% of your subscribed speed. Most of the time 99% using download manager
    2. Faster P2P
    3. Faster streaming

    ISP: PLDT
    Line Speed: 8Mbps
    OS: OS X Mavericks
    P2P client: Transmission

    Add the following to "sysctl.conf":

    The easiest way to implement this is to edit this file by opening the Terminal window and execute "sudo nano /etc/sysctl.conf " (without the quotes). The sudo command allows you to elevate your rights to admin. You will be prompted to enter your password if you have admin rights. nano is the name of the command line text editor program. The entries below just get added to this file one line at a time.

    Copy and paste the entries below

    kern.ipc.maxsockbuf=6291456
    kern.ipc.somaxconn=2048
    kern.ipc.nmbclusters=32768
    net.inet.tcp.rfc1323=1
    net.inet.tcp.win_scale_factor=3
    net.inet.tcp.sendspace=63712
    net.inet.tcp.recvspace=509696
    net.inet.udp.recvspace=4194304
    net.inet.tcp.mssdflt=1448
    net.inet.tcp.msl=15000
    net.inet.tcp.always_keepalive=0
    net.inet.tcp.delayed_ack=1
    net.inet.tcp.slowstart_flightsize=35
    net.inet.tcp.blackhole=2
    net.inet.udp.blackhole=1
    net.inet.icmp.icmplim=150

    The settings above may be edited depending on your ISP & Line Speed in order to maximize your internet experience.
    Last edited by mark143; 11-25-2013 at 05:01 AM.

  2. #2
    Mac Lover VicB's Avatar
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    Default Re: Network Tuning in Mavericks

    Thanks, mark143! Where is the sysctl.conf file located? Does this also work for ML?

  3. #3
    Apple Genius cybersniper's Avatar
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    Default Re: Network Tuning in Mavericks

    ^Do it in Terminal

    example:

    sudo bash -c "echo 'net.inet.tcp.rfc1323=1' >> /etc/sysctl.conf"

    ^quotation marks must be included.


    ----

    Yeah it works in ML too... been using those since Snow Leopard

  4. #4
    Apple Genius lamski's Avatar
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    Default Re: Network Tuning in Mavericks

    or use terminal and vi or pico to edit the /etc/sysctl.conf file.
    The greatest harm can come from the best intentions.

  5. #5
    Mac Lover makintosh's Avatar
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    Default Re: Network Tuning in Mavericks

    Can I request for a step by step instruction on how to apply this tweak?

  6. #6
    Apple Genius cybersniper's Avatar
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    Default Re: Network Tuning in Mavericks

    Quote Originally Posted by VicB View Post
    Thanks, mark143! Where is the sysctl.conf file located? Does this also work for ML?
    it is in Macinotsh HDD > private > etc

    However, you might not be able to open that file (you might not have the app to do so)...


    Open it in Terminal with this command: pico /etc/sysctl.conf

    then add the command lines you want.


    @makintosh, that should answer your question as well

  7. #7
    Mac User mark143's Avatar
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    Default Re: Network Tuning in Mavericks

    makintosh & vicb I have updated my first post for instructions. For optimum performance, your settings need to be customized for your subscribed speed
    VicB likes this.

  8. #8
    Newbie Shinahashirome's Avatar
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    Default Re: Network Tuning in Mavericks

    Thanks for sharing. Questions though, Will it work with other ISPs? e.g. globe mobile (LTE) and if not what values do you need to change for it to work? TIA

  9. #9
    Mac Lover makintosh's Avatar
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    Default Re: Network Tuning in Mavericks

    Thanks mark143 and cybersniper!

  10. #10
    Mac User mark143's Avatar
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    Default Re: Network Tuning in Mavericks

    Tia,

    I haven't tried. As long as you are using OS X, it would definitely be better than the default settings. Give it a try

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