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Configuring LAN emulation

Updated: January 21, 2005

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

Configuring LAN emulation

The basic services for an emulated LAN reside on the ATM switch and workstations with ATM hardware installed. An edge device is required if you plan to connect an Ethernet or Token Ring network to your emulated LAN.


LAN emulation (LANE) component Where the component resides

LANE services

The LES, LECS, and BUS typically reside on the ATM switch.

LAN emulation client

The LAN emulation client can reside on workstations, ATM switches, and edge devices.


Most of the configuration for LAN emulation is done on the switch running the LAN emulation services. These services include the LAN emulation server (LES), LAN emulation configuration server (LECS), and the broadcast unknown server (BUS). For more information about LAN emulation, see "Asynchronous Transfer Mode" at the Microsoft Windows Resource Kits Web site. For more information about configuring the LANE services on your ATM switch, see the documentation for your ATM switch.


The LAN emulation client (LEC) software resides on workstations, ATM switches, and edge devices. The LEC is integrated in Windows Server 2003 operating systems and is installed by default if you have an ATM network adapter installed on your computer. After installation is complete, you can install and configure any network protocol driver that works over Ethernet or Token Ring, such as TCP/IP or IPX/SPX. For information about installing and configuring network protocols on your ATM ELAN connection, see Configure a connection to a remote network. For more information about configuring the LAN emulation client, see Configure a LAN emulation client.


  • The IPX/SPX protocol is not available on Windows XP 64-bit Edition (Itanium) and the 64-bit versions of the Windows Server 2003 family.

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