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None of those l2 protocols can traverse a wan without an encapsulation layer which always requires an address or link to the physical layer.
by chasing0entropy 1y ago
None of those l2 protocols can traverse a wan without an encapsulation layer which always requires an address or link to the physical layer.
- immibis 1y agoSure they can - a WAN is the same as a LAN, but bigger. However, that comes with different tradeoffs, in particular the need to reduce bandwidth by using less chatty protocols. But you can absolutely rent a fiber between two buildings in the same city and run Ethernet on it.