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Manuth Chek
Asked: 2016-11-17 22:16:10 +0800 CST

Limit bandwidth on a Mikrotik router by port number?

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I have this one Mikrotik router (RB951G-2HnD) that serves as a main router with port forwarding for HTTP/HTTPS and Plex to a server behind NAT. Now since there isn't much upload bandwidth (15Mbps), I'd love to limit the bandwith for HTTP/HTTPS on the WAN interface so that there's some bandwidth left for Plex. I've been looking in /queue but haven't seen anything that limits by port number.

mikrotik bandwidth-control

2 Answers

  1. You need to create a mangle rule in /ip firewall that will match outgoing packets to ports 80 and 443 and mark them (action=mark-packet).

    Then you can create a queue and use the packet mark you defined on the mangle rule to match and limit those packets.

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  2. Best Answer

    This is described here

    First you need to mark your packets. And to mark you can use port number

    /ip firewall mangle
add action=mark-packet chain=forward dst-port=80 new-packet-mark=http passthrough=no protocol=tcp
add action=mark-packet chain=forward dst-port=443 new-packet-mark=https passthrough=no protocol=tcp

    And then you can do traffic shaping on those marked packets

    Below is also a very good and simple example

    http://wiki.mikrotik.com/wiki/TransparentTrafficShaper

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