Hello. I'm a LONG time lurker and first time poster. I have UTM 9 firewall and unifi AP. I had sophos AP before but crapped out on me. With sophos AP, I never had this problem before. I have TONS of VLANs, from guest VLAN, local WLAN, kids VLAN, management VLAN, IOT VLAN, Media VLANs, etc and with corresponding SSIDs. The problem with Unifi AP is I can only do like 4 SSID, and they warn that I will have performance penalty if I have more. So my questions are.
1. If I make a network group in the same subnet, Will they be able to talk/ping each other, or do I explicitly put I firewall rule for them not to see/talk to each other?
2. Can I create different VLAN in the same subnet like 10.10.10.1/27 Vlan 10, 10.10.10.32/27 Vlan 20, 10.10.10.64/27 Vlan 30 etc, with 1 SSID broadcasting the network?
I read about a VLAN assigned authentication using a RADIUS server but that is too advanced for a non-network engineer, home user like me. If you also have an advice on how to proceed with this, please do so. Thanks in advance.
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