PCQ Simple

Per Connection Queue (PCQ) is a queuing discipline that can be used to dynamically equalize or shape traffic for multiple users, using little administration.

Equal Bandwidth for a Number of Users

Use PCQ type queue when you need to equalize the bandwidth [and set max limit] for a number of users. We will set the 64kbps download and 32kbps upload limits.
There are two ways how to make this: using mangle and queue trees, or, using simple queues.
1. Mark all packets with packet-mark all:
/ip firewall mangle add chain=prerouting action=mark-packet new-packet-mark=all passthrough=no
2. Setup two PCQ queue types - one for download and one for upload. dst-address is classifier for user’s download traffic, src-address for upload traffic:
/queue type add name="PCQ_download" kind=pcq pcq-rate=64000 pcq-classifier=dst-address
/queue type add name="PCQ_upload" kind=pcq pcq-rate=32000 pcq-classifier=src-address
3. Finally, two queue rules are required, one for download and one for upload:
/queue tree add parent=global-in queue=PCQ_download packet-mark=all
/queue tree add parent=global-out queue=PCQ_upload packet-mark=all
If you don’t like using mangle and queue trees, you can skip step 1, do step 2, and step 3 would be to create one simple queue as shown here:
/queue simple add queue=PCQ_upload/PCQ_download target-addresses=

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