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  1. Joined : May 2016
    Posts : 524
    Windows 10
       15 Oct 2016 #1

    WLan Router "Overclocked"?


    Hi,

    My router is N300 Mbps which means that the max transfer speed would be 8MB/s.
    Now, I am getting an actual speed of around 12,5 MB/s which means that router is working as N490 Mbps, although the connected speed is 300Mbps.
    How can it be? Is my router being some sort of "overclocked"?

    Click image for larger version. 

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      My System SpecsSystem Spec


  2. Joined : Jan 2015
    Posts : 183
    Windows 10 Pro x64
       15 Oct 2016 #2

    12.5 MB/s = 100 Mbps. Looks about right on the max speed allowable on a 300 Mbps connection.
      My System SpecsSystem Spec


  3. Joined : May 2016
    Posts : 524
    Windows 10
       16 Oct 2016 #3

    @theveterans,
    Thank you
    As I said above, the max speed for a 300Mbps connection is 8MB/s. It will not pass that limit. Due connection conditions, interference, distance to router, and so on, it will actually not pass over 7,6MB/s.
    Recursively, 12,5 Mbps is the expected speed for a 492 Mbps connection.
    There is no doubt that the router is actually performing 62,5% over its nominal speed.
      My System SpecsSystem Spec


  4. Joined : May 2015
    Central IL
    Posts : 2,959
    EL Capitan
       16 Oct 2016 #4

    No you cannot overclock a router. All routers run on some form of Linux or another. It is all in how the packets are handled, the CRC, if the router is seeing issues with packets and having to ask for corrected ones to be retransmitted, which means that the gateway will start lowering its speed in how packets go through, so that it keeps a stable connection.

    Data transmission through Wifi and Ethernet is no different from how it was done in dial-up days, other than the algorithms are better and they are less forgiving to not having to deal with a bunch of different physical problems and environment issues that causes dial-up to take forever.

    The other is dependent on what the two systems are doing while data is being sent and received, how many other things that the Gateway is having to do while handling the two machines sending and receiving packets.

    Networking is rated in burst lab test speeds, not physical speeds. Everyone's speed is going to be different with networking, all because of their hardware and any rfi noise that can interfere with wifi. If you want more info on networking, check out smallnetbuilder.com
      My System SpecsSystem Spec


  5. Joined : May 2015
    Central IL
    Posts : 2,959
    EL Capitan
       16 Oct 2016 #5

    Adalwar said: View Post
    @theveterans,
    Thank you
    As I said above, the max speed for a 300Mbps connection is 8MB/s. It will not pass that limit. Due connection conditions, interference, distance to router, and so on, it will actually not pass over 7,6MB/s.
    Recursively, 12,5 Mbps is the expected speed for a 492 Mbps connection.
    There is no doubt that the router is actually performing 62,5% over its nominal speed.
    You are looking at this too deep. The CPU on the gateway and same for the wifi and ethernet section, along with RAM on the gateway, what the two ends are doing is going to make things at times seem faster or slower. You are just lucky that it is not seeing any issues for packet quality and is able to send them closer to burst speed. There is no physical or software way to go in and overclock the CPU unless you build your own and use pfSense or one of the other Linux based distro's. Then you end up dealing with a whole new form of headaches when you try and make the computer run faster than the gateway software can handle when handling packets.
      My System SpecsSystem Spec


  6. Joined : May 2016
    Posts : 524
    Windows 10
       16 Oct 2016 #6

    @bro67,
    Thank you
    This is a permanent condition, I am getting all the time that speed.
    It is exactly the same as if the Connection showed up 492 Mbps. It is performing as 492 Mbps, it is not a "burst", it is steady.

    EDIT: I just Stopwatch time and the average speed is 12,2 MB/s for transfer a 4,5GB file
    Click image for larger version. 

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  7. Joined : May 2015
    Central IL
    Posts : 2,959
    EL Capitan
       16 Oct 2016 #7

    I stated above why speeds vary. You just got lucky and had no processes hogging the CPU on the system you were sending the file through the gateway and the gateway was not busy handling a bunch of network traffic. Using a Stopwatch does nothing. There are programs out there that you place one side on the master computer and one on the slave computer, that tells you an estimate of speed for that test.

    If you try tomorrow or next week, you are going to get something completely different in how the packets are handled. It is just nothing to sit and put time and effort to in diagnosing why you got close to test lab speeds.
      My System SpecsSystem Spec


  8. Joined : May 2016
    Posts : 524
    Windows 10
       16 Oct 2016 #8

    @bro67
    Thank you again.
    I am not sure about what you said.
    I am getting this speed as the "Standard" speed on my WLAN, so every day, and tomorrow and the day after, will be the same, I can assure you, or the Router will define in between

    Now, what do you mean with that "Test Lab Speed"? Where can I read about it?
      My System SpecsSystem Spec


  9. Joined : Oct 2013
    A Finnish ex-pat in Germany
    Posts : 9,109
    Windows 10 Pro
       16 Oct 2016 #9

    Adalwar said: View Post
    @theveterans,
    Thank you
    As I said above, the max speed for a 300Mbps connection is 8MB/s. It will not pass that limit. Due connection conditions, interference, distance to router, and so on, it will actually not pass over 7,6MB/s.
    Recursively, 12,5 Mbps is the expected speed for a 492 Mbps connection.
    There is no doubt that the router is actually performing 62,5% over its nominal speed.
    I really do not know how you calculate transfer speeds. One MBps is 8 Mbps, transferring a file with 12.5 MBps = 100 Mbps.

    Simple maths: 1 B (byte) = 8 b (bits). For instance, let's say you pay for Internet broadband connection for 100 Mbps download / 20 Mbps upload. This means that your theoretical maximum download and upload speeds are about 12.5 MBps (=100Mbps) down and 2.5 MBps (=20 Mbps) up.
      My System SpecsSystem Spec


  10. Joined : May 2015
    Central IL
    Posts : 2,959
    EL Capitan
       16 Oct 2016 #10

    Adalwar said: View Post
    @bro67
    Thank you again.
    I am not sure about what you said.
    I am getting this speed as the "Standard" speed on my WLAN, so every day, and tomorrow and the day after, will be the same, I can assure you, or the Router will define in between

    Now, what do you mean with that "Test Lab Speed"? Where can I read about it?
    Again you just got lucky. You are looking at this way too deep. By test lab situation, I am stating that the technical information that manufacturers use to market networking devices. They can go by a set known conditions in a perfect world and state that the equipment is capable of reaching those goals. It does not mean that everyone will hit those goals, because there are so many different variables for every network that may be connected to that device.

    Just mark it up to that the Sun, stars and moon were aligned and that you just got a good transfer.
      My System SpecsSystem Spec


 
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