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Long Reach Ethernet (LRE) was a proprietary networking protocol marketed by Cisco Systems, intended to support multi-megabit (5 to 15 Mbit/s) performance over telephone-grade unshielded twisted pair wiring over distances up to 5,000 feet (1.5 km). Supporting such distance ranges, LRE is technically classified a Metropolitan area network (MAN) technology. Technically the protocol was similar to very-high-bitrate digital subscriber line (VDSL), practically Ethernet over VDSL (EoVDSL). The technology was sometimes considered an example of Ethernet in the first mile (EFM). Several networking vendors offered compatible networking hardware, but the technology became obsolete.
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