Limit my wifi bandwidth

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kelvin08113

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Jun 20, 2012
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My internet speed is just 1Mbps.

I wanna limit my wifi bandwidth to 0.5Mbps as I can't game while my family is watching youtube with their ipad and stuffs.

My modem is TP-LINK and the QoS doesn't seem working (or I didn't configure it correctly).

Please help me to limit my wifi bandwidth, thanks.
 
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bill001g

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Aug 9, 2012
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which tplink. You need a very advanced form of QoS to make this work. make sure you have the latest firmware. Many of the later tplink devices have this QoS. Otherwise you can load dd-wrt on many and it has the feature.

Most QoS can only limit the upload speeds and generally the problem is download.

So what you first need is the ability to set certain traffic to a fixed download bandwidth. Unfortunately you can't just say reserve x% bandwidth for machine x. You can configure that but it does not actually work because the ISP controls what is sent.

What you should be able to do is put your IP into a certain group. This removes you from the default group. So now you limit the default group to say .5m download This in effect leaves the rest of the bandwidth to your machine. It does not actually reserve it but it has the same effect.

This all sounds good but it does not always work. What you are actually doing is receiving data from the ISP and then throwing away anything over .5m. Getting the data and throwing it away does appear to the end user that they are only getting .5m but it does not help the utilization of the internet because the data is still coming in and eating the bandwidth. You are dependent on the end application detecting this packet loss and reducing the sending rate. Some application do better than others. It works ok for many things but when you have such a small internet connection it is hard to really limit this. These application will try to send more and more until they see errors. So every time they increase your router will be receiving and discarding causing errors to tell the application to slow down. It works much better on larger connections say you have 10m and want to limit it to 5m. Even if this random increase eats .5m you still have 4.5m. It gets very tough on small connection.

Still its worth a try I guess maybe it will help some. Be aware this is a fixed limit even if you do not use the connection the other users will be limited.
 
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bill001g

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The field is generally called bandwidth control. This varies a little bit between the models. Make sure you have the latest firmware they changed a lot of stuff in the newer firmware and it will run on some of the older routers.

Unfortunately not all their routers have this feature most the newer ones do but they still sell some "value" routers that they reduced the features on.

Normally I would just say load dd-wrt or tomato on them but you have a dsl router which makes it hard to get third party firmware.

The answer may turn out to be for your router it can not be done.

 
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bill001g

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Aug 9, 2012
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A product like this can never solve the problem he has. It can only limit the traffic on the PC you are using. There is no way it can limit traffic on other devices that are not running the software. Even if you were to load it to every device you had there is no option in the software for the devices to talk to each other. Its not like you can load it on one PC and have the PC tell a iphone you must use less because I want to use the bandwidth.

 
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