LAN Extender: Difference between revisions

A LAN extender forwards traffic between LANs transparent to higher network-layer protocols over distances that far exceed the limitations of standard Ethernet. A LAN, or Local Area Network, is a high-speed data network (usually employing Ethernet technology) to connect computer workstations, printers, servers, and other devices. The Ethernet LAN typically serves computer users within a single organization to provide mutual access and file sharing for all the networked computing devices.

In addition to the devices the LAN connects, additional devices are commonly employed to increase the overall efficiency, reach and range of the Ethernet network. Such devices include LAN extenders, repeaters, hubs, bridges, switches and routers. While such devices all provide similar services, each provides a selected feature set to address a specific issue or problem facing network administrators.

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• '''Ethernet Extender'''

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Ethernet extenders (a.k.a. LAN extenders) are networking devices that operate over existing Ethernet cabling or standard voice-grade copper twisted-pair wiring to transparently drive Ethernet communications beyond the distance limitation of 328 feet or 100 meters as specified by the IEEE standard 802.3 .

Ethernet extenders drive longer range, high-speed data communication between geographically separated Ethernet LANs or LAN devices and create very cost effective bridged-Ethernet connections. Ethernet Extenders can be used for Point-to-Point (Backbone) runs or Point-to-Multipoint (Ethernet DSLAM - Digital subscriber line access Mux - telephone wiring install) and are typically deployed in Commercial, Residential, Industrial and Hospitality High Speed Internet Access environments. Ethernet Extenders can be referred to as Network extenders, LAN extenders and Ethernet cable extenders and use a variety of transmission technologies over physical media such as copper or fiber. Extenders that use copper wiring operate on 1 or 2 pair unconditioned wiring (POTS) up to category rated twisted pair (CAT3...CAT6).