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Ubiquiti MAC ACLs not working (self.ubiquiti)

submitted 2 weeks ago by root to c/[email protected]

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I recently got into Ubiquiti, and am trying to limit intra-vlan communications.

I have a Proxmox server hosting a couple VMs that are on the same VLAN (192.168.8.0/24).

These two devices can ping each other, even after I follow the guide here. I've tried just adding that VLAN to the Device Isolation (ACL) section in Settings > Network as I believe this should just block everything within that VLAN, as well as trying to add explicit rules in the ACL to block client A -> B and B -> A with no luck.

I feel like I must be missing something simple. Has anyone done this successfully?

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[–] root 1 points 1 week ago

Thanks so much for the reply! Yes this is a Ubiquiti switch and everything is a lot more clear to me now with the understanding that this traffic is never even reaching my switch. I'm currently running on a NUC which has a management port and another trunked port for my VMs, but in the future maybe I could grab something with more NICs. There also is a PVE firewall in Proxmox that I might play with a bit.