TechSpot

Increase your bandwith by 20%

By Alex.A
Jul 8, 2007
  1. Hey all,

    Something i thought i would share with you all....

    Increase Your Bandwidth By 20%, It Really Works


    A nice little tweak for XP. Microsoft reserve 20% of your available bandwidth for their own purposes (suspect for updates and interrogating your machine etc..)

    Here's how to get it back:

    Click Start-->Run-->type "gpedit.msc" without the quotes.

    This opens the group policy editor. Then go to:

    Local Computer Policy-->Computer Configuration-->Administrative Templates-->Network-->QOS Packet Scheduler-->Limit Reservable Bandwidth

    Double click on Limit Reservable bandwidth. It will say it is not configured, but the truth is under the 'Explain' tab :

    "By default, the Packet Scheduler limits the system to 20 percent of the bandwidth of a connection, but you can use this setting to override the default."

    So the trick is to ENABLE reservable bandwidth, then set it to ZERO. This will allow the system to reserve nothing, rather than the default 20%.
    works on XP Pro, and 2000
    other OS not tested.
     
  2. beef_jerky4104

    beef_jerky4104 Banned Posts: 1,094

    Dang that's cool! It actually worked. Thanks.
     
  3. Alex.A

    Alex.A TS Rookie Topic Starter Posts: 79

    glad that i could help you. if others also tried, post here any results.
     
  4. CCT

    CCT TS Evangelist Posts: 3,556

  5. Daveskater

    Daveskater Banned Posts: 2,031

    i'm on vista ultimate and i'm pretty sure it worked, nice tip! :D
     
  6. Mictlantecuhtli

    Mictlantecuhtli TS Evangelist Posts: 4,916   +9

    It worked how?

    There aren't many QoS-aware applications in Windows.

    Don't think your network works at 80% speed by default.
     
  7. Daveskater

    Daveskater Banned Posts: 2,031

    i don't know how it works other than what Alex.A said but it works :D
     
  8. jobeard

    jobeard TS Ambassador Posts: 13,469   +327

    > but it works ...

    as measured by what? The first question is 'What does bandwidth measure'?

    TCP pre se can only run ~70-73% of the lowest rated NIC in the chain,
    as the architecture allows packets to be written without concern that the
    channel is already busy -- which creates a 'collision' and forces a retry.

    Tokenring has frames that get updated by the write request and runs at a
    higher efficiency.

    SCSI has a protocol that avoids collisions also (yes I know it's not a network protocol)
     
  9. jobeard

    jobeard TS Ambassador Posts: 13,469   +327

    IMO CCT, you should entice the reader to refer to your link -- it is excellent!

    Q.E.D;
     
  10. Alex.A

    Alex.A TS Rookie Topic Starter Posts: 79

    jobeard, so you are saying that this trick is fake? doesn't work? I read those comments on CCT link and some people were against, some weren't. Do you people noticed some difference in your download speed?
     
  11. CCT

    CCT TS Evangelist Posts: 3,556

    I don't make a habit of attacking anyone personally that posts something they think is useful - particularly when a link might let them and others learn a bit more.

    I deplore the use of derogatory terms for posters that are or may be wrong in such situations.

    It is good that sometimes one mentions a post or referenced article or suggested avenue of repair is or may be errant and does so with some tact.

    In this case, I felt the link was adequate to at least let people draw their own conclusions and make some comparisons.


    Having said that, good night all.


    :)
     
     
  12. jobeard

    jobeard TS Ambassador Posts: 13,469   +327

    CCT: I just thought an introduction would have enticed the reader to click-thru to the information.

    Alex.A: the information stands for itself and explains the matter clearly (imo).
     
  13. ColdFusion1990

    ColdFusion1990 TS Rookie Posts: 141

    I can't access gpedit.msc from Run
     
  14. GodFather

    GodFather TS Rookie

    Thanks man... It work very nice. Now I can surf easily though the web a bit faster.
     
  15. te00

    te00 TS Rookie Posts: 34

    I ll try it.

    thanks a lot.
     
  16. kitty500cat

    kitty500cat TS Rookie Posts: 2,407   +6

    gpedit.msc is not available on Windows XP Home Edition.
     
  17. Alex.A

    Alex.A TS Rookie Topic Starter Posts: 79

    yes, it works only on XP Professional, Vista and Windows 2000
     
  18. membrane

    membrane TS Rookie Posts: 42

    Fantastic. Thank you:)
     
  19. Daveskater

    Daveskater Banned Posts: 2,031

    i've read things about this trick and no matter what people say i've noticed pages loading faster, so it does work in one way or another.

    actually, i have noticed web pages loading faster but bitlord has suffered, not that i'm condoning torrents ;)
     
  20. Tedster

    Tedster Techspot old timer..... Posts: 10,074   +13

    use a nifty little freeware program called TCIP optimizer. google it.
     
  21. Daveskater

    Daveskater Banned Posts: 2,031

  22. LinkedKube

    LinkedKube TechSpot Project Baby Posts: 4,266   +42

    good job, this worked for me at least, im using pro-64
     
  23. BlameCanada

    BlameCanada TS Rookie Posts: 356

    Ok,I did comprehensive speed tests before and after the "tweak".

    No difference.Not one bit.Zilcherooni,baby.
     
  24. Alex.A

    Alex.A TS Rookie Topic Starter Posts: 79

    Yeah, some felt the difference, others didn't. But at least, it's good to try and know that those 20% are yours now.
     
  25. Tedster

    Tedster Techspot old timer..... Posts: 10,074   +13

    yes - that's it.
     
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