Bandwidth Management (Queue Tree) for Office and Hotspot.

RouterOS Beginner Basics
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This is the goal

Is this the correct Queue tree implementation to achieve the goal?

Questions, comments:

  1. I’ve disabled the child items to upload, since uploads never reach the max limit of 100mbps, so a simple PCQ of all upload traffic is enough (to reduce cpu consumption). That’s my logic anyway.
  2. Do I need to specify min bandwidth (Limit At) of 75M for Hotspot or leave blank. Seems redundant since Office Maximum is only 25M.
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This is the mangle rule for those curious.

Observed oddities:
Since I don’t need the upload children in the Q-Tree, I disabled mangle rules AU2,3,4,5 (look in comments). When I do this, packet marks for youtube (HD3 & OD3) do not work (for both office and hotspot), they get marked straight to other downloads (HD5 & OD5). I don’t understand why this is the case. They should be mutually exclusive. Uploads have a different connection parent and passthrough is set to no.

Questions, comments:

  1. Is there a more efficient way (or a more efficient ordering) of mangling to reduce CPU and RAM consumption?