Avaya a500 Mode D'Emploi

Cajun A500 ATM Switch Overview

1-8

Cajun A500 ATM Switch User Guide

Figure 1-3: Static IP Functionality

When LANE-enabled, all of the Cajun A500s and the management station join the same

ELAN in order to achieve management connectivity. When local-access enabled, the

Cajun A500s do not automatically attempt to join the management ELAN. You must

configure the Cajun A500 where the management station resides, (the designated A500)

with the ATM addresses, ethernet addresses and IP addresses of the other Cajun A500s.

The other A500s establish a VCC to the designated A500. A simplified form of bridging

takes place in the designated Cajun A500 with respect to the treatment of frames

received over the local ethernet segment and the VCCs to the other Cajun A500s to

provide the required frame forwarding.

Static IP Architecture

When LANE-enabled, there are two separate PNA interfaces, and thus IP addresses, that

correspond to the local ethernet and the Cajun A500s LEC. When the designated A500 is

in local-access mode, the VCC to the designated A500 takes the place of the LEC

interface. The major difference is that this VCC to the designated A500 is treated like the

local ethernet, meaning:

U All frames sent by the Cajun A500 out of the PNA local-access interface are sent to

the VCC to the designated A500.

U All frames received over the VCC from the designated A500 are sent to the

corresponding PNA interface.

When in Local-access mode and not the designated A500, a Cajun A500 is configured

with the ATM address of the designated A500. The Cajun A500 continuously attempts to

setup a connection with the designated A500. An ATM address selector value is reserved

for this use.

Management

Station

A500

ATM

Cloud

LANE

Server

Ethernet