MikroTik RouterOS offers several queuing types under /queue type. These queuing algorithms manage how packets are buffered and sent, affecting fairness, delay, and throughput.
Available queue types in RouterOS:
SFQ (Stochastic Fairness Queuing)✔
FIFO (First In First Out – for bytes or packets)✔
PCQ (Per Connection Queuing)✔
RED (Random Early Detection/Drop)✔
Unavailable queue types:
DRR✘– Not supported by RouterOS
LIFO✘– Not supported; not suitable for networking queues
Extract from Official MTCNA Course Material – Queue Types:
"RouterOS supports PCQ, SFQ, RED, FIFO, and more. DRR and LIFO are not implemented."
Extract from René Meneses MTCNA Study Guide – Traffic Management:
“Only PCQ, FIFO, SFQ, RED are listed under /queue type. DRR and LIFO do not appear in the supported list.”
Extract from MikroTik Wiki – Queue Types:
“Supported types include FIFO, PCQ, RED, and SFQ. Each has specific use cases for latency or fairness.”
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