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Howdy, i was wondering is there a way to reduce the bandwith someone is taking on a router. The problem is when someone on the same network (at home) is downloading (torrent ....) the speed of the other's user are decreasing. Is it something easy to adjust or its only available on certain model of router?

I'm not sure how to configure the router to do this. If they are running Vista you can cap the upload and/or download speed of a network connection in windows firewall.

You can also cap the speed of a specific application.

Some routers have per-port throttling... though, not many have that anymore.
You can also set QoS on many routers, which allows you to set an ultra-low priority on bittorrent traffic. What kind of router do you own?

Its a Dlink, its not mine but the one of a friend (don't know the model).. I have make more search and there some option for traffic shapping that let you do some priority of specific traffic. There are some software you can install that will do check quantity and ajust the DL UL to the speed you want.

I know they buy the router not long ago (few week's) and they payed alot 100+ (canadian dollar!!!!)

See if you can get a model number. QoS is going to be your best bet if its available. If you set a really low priority on torrent traffic, then the router will will give standard traffic a higher priority. This will allow the normal traffic to go through at the expense of the torrent traffic.

As others have mentioned, QoS is the way to go

D-Link N Router Model # DIR-655 is the model

This is of course assuming the bottleneck is at the router and not your connection in general.

I would almost be willing to bet my life that your connection is asynchronous and is throttling your upload. When someone is torrenting and they reach that cap, it will fuck over almost anything that needs even a little upload bandwidth.

I may be wrong. Your router might be the issue...

They just bought this router, the ISP compagny have made test and it was all ok. They suggested to change the router as it could be the problem. But nothing have change, they still have slow connection, that why i suggested to find a way to reduce the P2P and other downlaod applications.

I have read the manuel, the router have a wizard to create rule for P2P and game.

well
It could be what harrison is suggesting as well


with some consumer routers (and all real routers) you can throttle each port on the box to certain speeds


let's say you have 5 mbps down, and 1mpbs upload speeds

if someone is uploading at full 1mpbs it's going to essentially kill your download speed (tcp requires ack's to be sent back, and if they can't get thru, the far end interprets it as a slow down, and sends stuff slower. aka, your download speed goes to shit)

make sure the people you live with are limiting their uploads, or if your shitty Dlink can do it, throttle the shit out of the physical port they're plugged into

Thx, i will suggest this simple config on there download software to test.

Ask whoever it is doing the download to limit their upload on their specific BT client to 10kb/s

Utorrent has global limits that can be easily used. I haven't used anything else in a long time, so you'd have to look for anything similar in others on your own.

you don't even have to throttle that much, to be honest

as long as you've got 10-20% of your upload available, that's tons of room for download acks to be sent back

On that specific router, under the advanced tab select QoS. In the first few sections set a high priority to port 80 as this is your web traffic as well as any other traffic you want to have priority on your network. You can stop there or if you want to be more specific, find the ports that the torrent software is using and add that as well with a very low priority.

This will allow torrent traffic to go through at high speed unless anyother type of traffic that has a higher priority needs the bandwidth, then it will allow that traffic through first.

Thx for you time, i will pass the info and wait to see how it goes.