Simple Queue Not Working

RouterOS General
1

Dear Experts,

i am using mktik routeros version 6.48.4 on hap ac lite Model RB952Ui-5ac2nD
i am using this router as a access point basic.

i have tried a lot in so many ways but nothing works, bandwidth limitation is not working with simple que. any suggestions would be much appreciated.
below are the print of my simple queue.

[admin@MikroTik] /queue simple> print
Flags: X - disabled, I - invalid, D - dynamic
0 name=“My Mobile” target=172.16.3.88/32 parent=none packet-marks
priority=8/8 queue=default-small/default-small limit-at=0/0
max-limit=64k/64k burst-limit=128k/128k burst-threshold=128k/12
burst-time=10s/10s bucket-size=0.1/0.1

2

Have you disabled or removed the action=fasttrack-connection rule in chain forward in /ip firewall filter?

3

Thank you so much. fasttrack-connection was enabled in firewall i disabled it and now queue is working fine. Thanks a lot for your expertise.