Mikrotik Bandwith control on ADSL link

I used the MikroTok / RouterOS as my gateway to the Internet. It servers as a PPPoE-client (as my ISP uses PPPoE over ASDL), a router and AP. It does the job perfectly, but with a range of different clients connected, some more "important" that other, and a relatively slow internet-connection, I want to shape and prioritize the the traffic going to and from the internet.

Since the ADSL modem has a small buffer and a tendency to slow everything down when it's full, the MikroTik must never send more than about 95% of the up- and download-speed of my line. After some bandwidth-test I figured out I had a real speed of 5660/563. Using that, I started with the challenge of limiting the data-traffic.

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Limit Different Bandwidth In Day and Night in Mikrotik

From MikroTik Wiki

There are lot many ways to limit bandwidth for day and Night, but personally I found this is the easiest way, Here it is.

I have used Simple Queue, Script and Scheduler.

Suppose we have one network 192.168.1.0/24 and want to limit Bandwidth for day and Night Time.

Network 192.168.1.0/24
Bandwidth = 06:00am – 18:00pm – 1Mbps. 
Bandwidth = 18:00pm – 06:00am – 2Mbps. 

Create two simple queues for the same network with different Bandwidth Limit.

/queue simple
#name=”Day” target-addresses=192.168.1.0/24 dst-address=0.0.0.0/0
interface= parent=none direction=both priority=8
queue=default-small/default-small limit-at=512k/512k
max-limit=1M/1M total-queue=default-small

#name=”Night” target-addresses=192.168.1.0/24 dst-address=0.0.0.0/0
interface= parent=none direction=both priority=8
queue=default-small/default-small limit-at=1M/1M
max-limit=2M/2M total-queue=default-small

Now, write scripts

/system script
#name=”Day” source=/queue simple enable Day; /queue simple disable Night

#name=”Night” source=/queue simple enable Night; /queue simple disable Day

Finally, Schedule it

/system scheduler
#name=”Day” on-event=Day start-date=oct/13/2007 start-time=06:00:00 interval=1d

#name=”Night” on-event=Night start-date=oct/13/2007 start-time=18:00:00 interval=1d

Retrieved from http://wiki.mikrotik.com/