Avaya Configuring ATM Services Bedienungsanleitung Seite 268

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Configuring ATM Services
D-4
Function of the EtherCell Switch
The EtherCell Ethernet-to-ATM switch connects existing Ethernet networks or
endstations to ATM networks using high-speed data switching. This device
supports twelve 10BASE-T Ethernet interfaces and one ATM SONET/SDH
(155 Mb/s) UNI interface.
The EtherCell performs the following five primary functions:
Registers its interfaces with the Connection Management System (CMS)
Sets up and clears calls through the CMS
Segments Ethernet packets into ATM cells
Reassembles ATM cells into Ethernet packets
Communicates with the multicast server (MCS) to coordinate virtual LAN
configuration
For additional information regarding EtherCell features and how to install and use
the EtherCell, refer to Using the Model 10328-X EtherCell Ethernet-to-ATM
Switch.
Function of the Router ATM ILI Pair
ATM router link modules interact with specific processor modules to form
intelligent link interface (ILI) pairs. These ILI pairs provide the connection and
processing that allows the router to connect directly to an ATM network and route
information to other local or wide area networks that it supports.
Bay Networks currently provides the following ATM ILI pairs:
An ATM FRE2 link module in conjunction with a Fast Routing Engine
(FRE2) processor
An ATM Routing Engine link module in conjunction with an ATM Routing
Engine (ARE) processor
Both ILI pairs are functionally similar and you configure them in generally the
same way. For a list of the features each ATM ILI pair supports, refer to Chapter 5,
ATM Features and Implementation Notes.
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