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Bandwidth Limiting Big Files Download - Mikrotik








Here is one of my queues with burst, setup using Winbox.

All settings are on the General Tab. Settings are given as tx/rx (upload/download).

Name - 2.201/32
Target Address - 192.168.2.201/32
Limit At - 65536/131072
Max Limit - 262144/524288
Burst Limit - 393216/786432
Burst Threshold - 262144/524288
Burst Time - 90/180

This is a Simple queue for the user at IP 192.168.2.201. He is given a basic speed of 64k upload and 128k download. According to the MT manual, this is a guaranteed minimum speed, provided enough bandwidth is available. His maximum sustained speed is 256k upload and 512k download.

His speed is allowed to burst as high as 384k upload and 768k download. If his speed goes above the threshold (256/512) and stays there, the burst timer starts. After the allowed time, 90sec for upload and 180sec for download, his speed is throttled back from the burst limit (384/768) to the max limit (256/512) and held there until the traffic flow stops. When the flow stops, the timer resets, and the process starts over.

The variables are adjustable to suit different needs and situations. If you provide at least 75 seconds on the timer, most speed tests and small file transfers will complete in that time and show fast speeds. If they start a large file download, it will complete part of it fairly quick and then slow down for the remainder of the transfer so they are not hogging the pipe.




Reference: https://forum.mikrotik.com/viewtopic.php?t=2138
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