My ISP installed a EC220-G5 on my network. It's connected to a fiber optic modem/route in bridge mode.

I configured the wireless access control in Advanced > Security > Access Control. Set it to Enabled, and Access Mode to allow devices. Then registered all MACs.

Still, a TV that I had configured on this network continues to be able to connect even after rebooting the router and the TV. It's like the access control is doing nothing.

Any advice?

PS.: I can't find EC220-G5 in the model list.