Hotspot trafficshaping via Central

Hey,

i have multiple sites with multiple Accesspoints.

We manage all AccessPoints in Sophos Central.

For the Hotspots we created an SSID with the NAT Mode:

Now we want to limit the brandwidth for the entire network.

But i cant find an option to do this.

I created a Firewallrule with trafficshaping for the Network (standard 10.1.1.x /24 Hotspot network)

but the traffic is not affected by this.

Is there any possibilty in Central to limit the bandwidth?

Thanks and sorry for the bad english