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The queue trees should be used when you want to use sophisticated bandwidth allocation based on protocols, ports, groups of IP addresses, etc. If you have added a simple queue, it is listed as dynamic one under the /queue tree print, e.g.: [admin@MikroTik] queue simple> print
Flags: X - disabled, I - invalid
0 name="A_Simple" src-address=0.0.0.0/0 dst-address=192.168.0.0/24
interface=ether1 limit-at=128000 queue=default priority=8 bounded=yes
[admin@MikroTik] queue simple> .. tree
[admin@MikroTik] queue tree> print
Flags: X - disabled, I - invalid, D - dynamic
0 D name="A_Simple" parent=ether1 flow="" limit-at=128000 max-burst=20
queue=default priority=8 weight=1 allot=1514 bounded=yes
[admin@MikroTik] queue tree>
Argument description: name - descriptive name for the queue
parent - name of the parent queue. The top-level parents are the available interfaces (actually, main CBQ). Lower level parents can be other queues. Dynamic queues (created with the simple queue tool) cannot be used as parents.
flow - flow mark of the packets to be queued. Flow marks can be assigned to the packets under /ip firewall mangle when the packets enter the router through the incoming interface
limit-at - Maximum stream bandwidth (bits/s). 0 means no limit (default for the interface).
max-burst - Maximal number of packets allowed for bursts of packets when there are no packets in the queue. Set to 0 for no burst.
queue - queue type. See the /queue type for available types.
priority - Flow priority (1..8), 1 is the highest.
weight - Flow weight in the Weighted Round Robin process
allot - Number of bytes allocated for the bandwidth. Should not be less than the MTU for the interface.
bounded - Queue is bounded.
To apply queues on flows, the mangle feature should be used first to mark incomming packets: [admin@MikroTik] ip firewall mangle> add action=passthrough mark-flow=abc-http \
\... protocol=tcp src-port=80
[admin@MikroTik] ip firewall mangle> print
Flags: X - disabled, I - invalid
0 src-address=0.0.0.0/0:80 in-interface=all dst-address=0.0.0.0/0:0-65535
protocol=tcp tcp-options=any icmp-options=any:any flow=""
src-mac-address=00:00:00:00:00:00 limit-count=0 limit-burst=0
limit-time=0s action=passthrough mark-flow=abc-http tcp-mss=dont-change
[admin@MikroTik] ip firewall mangle>
See the Firewall Filters and Network Address Translation (NAT) Manual for details on how to mark the packets. You can add queue using the /queue tree add command: [admin@MikroTik] queue tree> add name=HTTP parent=ether1 flow=abc-http \
limit-at=128000 max-burst=0 bounded=yes
[admin@MikroTik] queue tree> print
Flags: X - disabled, I - invalid, D - dynamic
0 D name="A_Simple" parent=ether1 flow="" limit-at=128000 max-burst=20
queue=default priority=8 weight=1 allot=1514 bounded=yes
1 name="HTTP" parent=ether1 flow=abc-http limit-at=128000 max-burst=0
queue=default priority=8 weight=1 allot=1514 bounded=yes
[admin@MikroTik] queue tree> print brief
Flags: X - disabled, I - invalid, D - dynamic
# NAME PARENT FLOW LIMIT-AT PACKETS BYTES
1 D A_Simple ether1 128000 0 0
0 HTTP ether1 abc-http 128000 0 0
[admin@MikroTik] queue tree>
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