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by kstrauser 257 days ago
Pretty much everything that isn’t point to point, like PPP or a VPN, can carry IP traffic directly without needing to care about MACs (because they’re only talking to one other interface). Anything that routes physical packets around needs the equivalent of a MAC address.
1 comments

wireguard, notably, utilizes IP addresses for L2 semantics.
It’s point to point though, right?