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Local Area High Speed Networks by Dr. Sidnie Feit

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Emulated LAN Environments

An emulated LAN (ELAN) is made up of computers, routers, and bridges that have ATM interfaces and are connected to ATM switches. A single ELAN can span several interconnected ATM switches, and the same set of switches can host several ELAN communities. Each ELAN is identified by a unique name.

There is a close relationship between VLANs and ELANs. An ELAN can be part of a larger VLAN that includes ATM systems and conventional LAN systems. In an environment that uses VLANs, an administrator can configure the ELAN to be part of a particular VLAN.

An ATM NIC is assigned a unique 6-byte MAC LAN address, just like an Ethernet or Token Ring NIC. Having a unique MAC address is an essential requirement to participating in ...

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