queues 3.30 and 3.20 dont work

RouterOS General
1

my english is not good
well ..
the queues in my mikrotik 3.20 and 3.30 dont work

and I DONT have installed the xen package

i tried with all queue types … default .. default-small .. etc ..

please .. somebody help me .

PD : i have installed PPP … Advance tools … Hotspot and DHCP package . but I unninstal this packages ., and the queues dont work …

PD 2 : my problem is with this versions … previusly I have mikrotik 2.9.x and the queues work perfecly but this version was inestable

2

If you have a bridge, then
/interface bridge settings set use-ip-firewall=yes

3

1- From right way, upgrade your version to newest 4.11

2- If you use 2.9, upgrade to 3.2 or 3.3 will much more change.

3-I do not know any problem of your said in this artile, what’s problem with your MT?