QOS and interzone firewall failing

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Hi,

Currently i have setup 3 interfaces, green (LAN), blue (for wifi) and red as internetuplink,

green 192.168.2.0/24
blue: 192.168.3.0/24
red: a static isp IP

However, my problem is, whatever i try to config in the QOS module. De traffic keeps peaking at 100% (download a file via http) instead of 50% wich i defined. (as in: all www traffic via low priority class with limit 50%).

second issue is that the inter-zone firewall doesnt work (i think), i explicit allow ALL traffic from green to blue - however clients (accesspoint for example), is not reachable via ping from the green subnet. When i ping directly atthe firewall to the accesspoint (192.168.3.33) it is working.

Anyone familiar with these issues?