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Operation of the lan emulation, Connecting a lec to an elan, Figure 1.3 – Avaya M-ACCF/SF User Manual

Page 24: The flush protocol

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Chapter 1

Overview

8

Avaya M770 M-ACCF/SF ATM Access Modules User’s Guide

Figure 1.3 shows the various stages of the flush protocol:

Figure 1.3

The Flush Protocol.

Operation of the LAN Emulation

The following functions are performed by the LAN Emulation. The LAN Emulation
Clients (LEC) and the LAN Emulation Servers interact by way of a well-defined
interface (LUNI).

Connecting a LEC to an ELAN

Address Registration

Address Resolution

Data Transfer

Connecting a LEC to an ELAN

The connection function of the LEC with the LAN Emulation Server (LES) includes
the following:

LECS connect phase in which a LEC establishes a configuration data-direct VCC
to the LECS (optional).

The configuration phase in which the LEC discovers the LES.

The join phase in which the LEC establishes its control connections to the LES.
The LEC may also implicitly register one MAC address with the LES.

The registering by the LAN Emulation Client of any number of MAC addresses
and/or route descriptors.

The establishment of a connection to the BUS by the LAN Emulation Client.

2. Data

1. Data

4. Flus

h_Req

6. Flush_Res

5. Flush_R

es

7. Data

Switch Data Path from
Multicast Send to
Data Direct using
Flush Protocol