I added a second NIC to my UTM (192.168.3.*). The idea was to add an extra AP to isolate guest-clients from my local network(192.168.1.*). Everything seems to work fine. I get an IP from the DHCP service and I can access the internet from my guest LAN. The problem is I can Access my local network from my guest network. I wan't to isolate the 2 networks. What did I missed.
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