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Configuring ATM Services

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Configuring multiple PVCs per service record uses network addressing most

efficiently. Although you need to configure each PVC manually, you need only

define and associate protocols with the ATM network service record. All the

PVCs that you configure for a given ATM service record carry the protocols that

you select and configure to run on that service record.

A configuration using multiple PVCs per service record works best in either fully

meshed environments or in nonmeshed environments where systems not directly

connected to each other have no need to communicate. You can configure multiple

PVCs per service record as long as you do not need to separate protocols by PVC

(that is, all PVCs accept the same protocols).

There are, however, ways to configure upper-layer protocols, such as IP or

Internetwork Packet Exchange (IPX), to allow systems in nonmeshed networks to

fully communicate. See the documentation for these protocols for more

information.

One PVC

A configuration using one PVC per service record works the same way as one

using multiple PVCs per service record. When you define only one PVC per

service record, upper-layer protocols treat the ATM network as a series of direct

point-to-point connections, viewing each PVC as an individual network interface.

You can configure each PVC with different protocols and parameter settings. This

allows you to connect to different network sites using, for example, different types

of data encapsulation (Figure 1-7

Note:

When you configure multiple PVCs per service record, all PVCs use the

data encapsulation type that you set for the ATM service record. See “Data

Encapsulation Methods” on page 1-13 for more information.

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Avaya Configuring ATM Services Manual de usuario Pagina 44