Port- or Client-isolation on Ethernet switches and Wi-Fi access points respectively. Often seen in corporate environments and (properly configured) guest networks.

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StilesCrisis 5 hours ago | parent [-]

I feel like the point of those is conceptually "take these things off the LAN." If we allow for that, what even is a LAN?

	▲	mitxela 3 hours ago \| parent [-]
		You are correct. It explicitly breaks the LAN, does not provide a LAN, only an internet gateway in most cases.