Avaya Configuring ATM Services Bedienungsanleitung Seite 92

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Configuring ATM Services
5-8
Figure 5-3. Multiple PVCs per Service Record
Of the different methods, having multiple PVCs per service record uses network
addressing most efficiently, and is the easiest to configure.
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.
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 IPX, to
allow systems in nonmeshed networks to fully communicate. See the appropriate
documentation for these upper-layer protocols for more information.
Note: When you configure multiple PVCs per service record, the PVCs all use
the data encapsulation type that you set for the ATM service record (that is, the
value of the Data Encapsulation Type parameter set in the ATM Service
Records List window). Refer to “Assigning Data Encapsulation” in Chapter 7.
Site A
Site B
Site CUpper-layer
Protocol
PVC
PVC
PVC
Service
Record
ATM
Physical
Interface
Service
Record
ATM
Network
PVC
PVC
Site D
Site E
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