How To Limit Network Download [UPDATED] Speed

What is FAST.com measuring? FAST.com speed test gives you an estimate of your current Internet speed. You will generally be able to get this speed from leading Internet services, which use globally distributed servers.

Why does FAST.com focus primarily on download speed? Download speed is most relevant for people who are consuming content on the Internet, and we want FAST.com to be a very simple and fast speed test.

How To Limit Network Download Speed

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How are the results calculated? To calculate your Internet speed, FAST.com performs a series of downloads from and uploads to Netflix servers and calculates the maximum speed your Internet connection can provide. More details are in our blog post.

What can I do if I'm not getting the speed I pay for? If results from FAST.com and other internet speed tests (like dslreports.com or speedtest.net) often show less speed than you have paid for, you can ask your ISP about the results.

NetLimiter is an ultimate internet traffic control and monitoring tool designed for Windows. You can use NetLimiter to set download/upload transfer rate limits for applications or even single connection and monitor their internet traffic.

There are good reasons to look at the "Internet facing router" approach for managing a network as a whole - however as the original question was specific and the user may very well be the only computer on the network, that is a secondary concern.

Though using a smart/highly-configurable router is usually the better approach to wholistic network management, the disconnect between that and the original question is not explained in other answers. The original question is specifically asking about a process - which a router has no way reliably to identify.

I am testing an Android application which had some problems with managing its content on low quality networks.I am unable to verify if the problem still occurs, because with the speed of the network I have in my home (120mb/s), everything is already downloaded before I manage to start the reproduction route. Using the Android simulator is not an option in this case, as the reproduction route demands very quick action for the issue to appear.

Are you having trouble with people in your home hogging all the bandwidth? Or, maybe you want to limit how much your PC consumes. Luckily, there are a couple of ways to limit the amount of bandwidth your PC or laptop takes on your network. Follow along below to learn how.

Depending on what type of software your router has, you might have more QoS options to choose from. Some routers will let you set up upload and download speeds with QoS based on a number of different factors.

Your computer gives NetBalancer full control over processes and applications, enabling you to precisely limit what processes can take up what exact amount of traffic, by setting the download/upload speed or setting the priority.

This article covered a couple of methods to prioritize and limit traffic of various types and from various devices on your network, giving you fine-grained control over how bandwidth is allocated to individual machines or types of traffic.

Users across different locations might not have the same quality of network bandwidth which might cause altered user experience. To understand how the user perceives the website under different network conditions especially slow network areas, QAs use Network Throttling and see how the website renders under slow network using chrome devtools.

Network Throttling is an intentional method to slow down the internet speed. It is used to analyze web performance where network throttling, or network condition emulation is used to emulate low bandwidth conditions.

Network Throttling is done to test the website and get first-hand real user experience that many users with slower networks face in real world. This is a way to test the web application under real user conditions and understand the performance of the website.

Note: For developers or QA engineers seeking to simulate poor network conditions across real mobile devices (for example, 4G network on iPhone 12 Mini or Samsung Galaxy S20), the second method will be more effective in deriving accurate results.

As the browser usually loads the page from the cache, users must select the Empty Cache And Hard Reload option. It forces the browser to load all the resources. This is helpful in examining how a first-time visitor experiences a webpage loading on slow 3G speed.

Instantly choose the desired Android or iOS device on which to simulate the network conditions. Simply sign up for free, navigate to the Live dashboard and choose the desired OS-device-browser combination. The image below represents a sample Live session on iPhone 12 Mini.

Developers or QAs can leverage the Throttle Network feature to test the website in multiple network profiles like Edge, 3G, 4G, etc. One can also add custom network profile values to test their websites as per specific requirements.

The demonstration above will help individual developers and QAs to perform network throttling for their websites. Besides, the second method will prove useful for those seeking to simulate different networks on real mobile devices while testing websites.

Here is the situation. My church streams and we currently have a 10Mbps down and 1.1Mbps up. If very few people are on the network (wifi) then the sustained streaming rate is fine with no caching or drop outs but get 60-100 devices hanging off the wifi and all deciding that now is a good time to download updates or something else then the stream is shot to...

I am thinkning that if I can limit the rate through the ports I connect the wifi devices to, this will limit how much of my "pipe" is used so I can keep the 1.1 Mbps upload untouched. Or if there is a way I can dedicate that much bandwidth always for upload only that would work to.

The ingress and egress are on port 1 and the bandwidth is distributed equally on all active ports. So if you have rate limiting defined on port 1 then that bandwidth will be the divided to ports 2-4.

I have two access points (one for guests, the other for main use) and my PC is connected via LAN cable to the router. I play fps (mainly valorant) a lot so having latency is important. So I want to make my PC the highest priority (lowest latency, above guest/main network) and limit guest network speed so that when people are downloading from guest/main network my gaming won't be affected.

I tried to achieve this by setting up SQM on both my PC and guest network but with lower down/up speeds on the guest network and while it did limit the speed of the guest network, it didn't remove latency from my PC while downloading from guest/main networks as I tested using waveform bufferbloat tester. Is there anything I can to do achieve this?

There's a chance your SQM settings for your guest network max out your routers CPU in a way that now the limiting factor is no longer the line capacity but the CPU of your router. That would be my idea, especially since the MT7621 CPU of your router ins't exactly a powerhouse and using SQM (here I'm not entirely sure) might come at the cost of not using that much hardware offloading and doing stuff in software that would otherwise be done on hardware.

Hey,

I'm downloading a test file from my guest network with SQM enabled on guest/lan (which my PC is connected to) and here are the results by running "top" command in terminal:

image1330865 33.8 KB

So having multiple SQM instances is just fine, however the traffic shaper component that actually limits the traffic is quite CPU intensive and not all routers are beefy enough to operate enough sqm instances... You normally already use two instances one for upload and one for download, but you can add others on different interfaces OR you simply run OpenWrt on the Guest AP as well and do the limiting there...

Mmmh that appears to be a dual core MIPS 1004Kc @880 MHz (note 1004Kc supports SMT so this results in 4 CPU cores reported to the OS)... Note MIPS was great in its days, but has not seen any real development/advances in the last decade...

From your top results we see that dring the load test you only have 57% idle left and 30% sirq load... with 4 CPU cores saturating a full core will result in 25% load, so it is well possible that on your 70/40 link your cake instances are already CPU limited with your two SQM instances....

For the fun of it, try simple.qos/fq_codel and repeat the speedtest under load...

(HTB/fq_codel should keep latency under load lower, but simply reduce the throughput, unlike cake which preserves the requested max shaper rate closer at a cost in latency if the CPU is overloaded; cake does offer a few features that still make it more desirable for a home link though).

I also note that you used an inward facing port (LAN1) for your supposed "wan" shaper, which is not going to work, as this will not do internet access shaping for all devices connected via WiFi to the router.

You see the result of this also in the speed tests, getting a 45.0 Mbps upload with a 40 Mbps upload shaper should not be possible, but due to SQM residing on inward facing LAN1 the internal directionality and the internet directionality are flipped, and you essentially sahpe internet download to 40Mbps and internet upload to 70 Mbps... (and since 70 Mbps is above your true internet upload speed, this shaper does nothing to keep your upload latency under load increase under control).

So please post the output of:

ifstatus wan | grep device

so we can figure out which interface you should use to control internet bufferbloat. Let's first get this fixed, before we move on, OK? ff782bc1db