Now you only have to set up such a sensor, choose a URL with a medium sized file (e.g. PRTG Network Monitor's HTTP Advanced sensor shows the bandwidth in Kbit/s that was achieved while downloading a file from an HTTP URL. Let the sensors run with an interval of 5 minutes for a few hours, then look at the charts and the measured values. create three HTTP sensors that access different files (or static webpages) with around 500kb from different “fast servers” (this could be a webpage from your ISP). Using the PRTG network monitoring tool you can easily run this kind of network bandwidth test! ![]() some kilobytes) every few minutes while measuring the time it takes to do so. Since constant network bandwidth testing is not feasible, you must monitor the speed of your data line by creating short load peaks by downloading a small file (e.g. This fact also makes testing available bandwidth more complex. Otherwise you are not only testing your data line but also all network devices en-route which are between your test client and the server you are talking to. For exact network bandwidth testing you need two PCs/servers that are placed directly on both ends of the data line that you want to test.Obviously when you test network bandwidth like this, your data line would be useless for anything else because the bandwidth is fully saturated by your test and there is no more available bandwidth for your “payload”. The only way to measure the available bandwidth of a data line over some time is to create as much uploads/downloads as it can handle while measuring the data rates (in&out) with products like PRTG Network Monitor.But measuring the actually available bandwidth is almost impossible, since you are facing two major problems: If you’re connected via Wi-Fi, turn it off and plug your computer directly into your modem.įeel free to contact us at 88 if you have more questions.Perhaps you want to know if your ISP or hosting service is actually providing you with the available bandwidth that you are paying for. Power cycle your computer, router, and modem-disconnect each from the power source for thirty seconds before reconnecting. If you have an older device, it may be a good idea to make sure that your device is capable of receiving the maximum speed you are subscribed to. The number of devices on your network matters! Your internet connection is shared between all of the devices on your network, so the more devices you have the slower the speed of each device. A small slit in your cable will throw your internet connection off completely. If you have an ethernet cable, check each end of the coaxial connection for any looseness or damage. When relying on Wi-Fi’s radio waves, you’re putting yourself at the mercy of physical barriers such as brick walls and metal frames, appliances, and even fish tanks that will affect your speed test. ![]() Keep these handy tips in mind before you perform your speed test:Ĭonnecting your modem directly with an ethernet cable is always going to be a more reliable source than a wireless connection. Keep in mind, that the speed test results are dependent on just that current device and NOT your overall network. An internet speed test will give you an idea of how fast your internet connection is at that moment.
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